what is the role of the rectum?
Answers
Answer:
The rectum's job is to receive stool from the colon, let you know that there is stool to be evacuated (pooped out) and to hold the stool until evacuation happens.
Explanation:
Answer:
Its main function is to act as a temporary storage site for fecal matter before it is removed from the body through the canal.
Explanation:
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Related Questions
) speciation . a) occurs at such a slow pace that no one has ever observed the emergence of new species b) occurs only by the accumulation of small genetic changes over vast expanses of time c) must begin with the geographic isolation of a small, frontier population d) can involve changes to a single gene
Answers
When a group within a species separates from other members of its species and evolves its own special traits, this is known as speciation.
Does speciation progress slowly?Evolution is the product of the very slow process of speciation. It is the procedure for the emergence of new species. Geographic isolation, genetic drift, natural selection, etc. can all cause variations in an organism's gene pool, which is the sum of all its genes. New, different species are created as a result of this.
How does speciation fit into evolution?Speciation. the process through which two populations of the same species diverge to the point where they are no longer able to breed with one another. Species. a collection of creatures that regularly mate with one another in nature in order to have fruitful offspring and share the same gene pool.
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3. the basal ganglia are thought to elicit movement via . group of answer choices a. direct excitation of the primary motor cortex b. direct excitation of the premotor cortex c. disinhibition of thalamic neurons (va/vl) d. direct excitation of thalamic neurons (va/vl)
Answers
The basal ganglia are thought to elicit movement via disinhibition of thalamic neurons (va/vl).
The term "basal ganglia" describes a collection of subcortical nuclei that play a variety of tasks, including motor learning, executive behaviors, and emotions in addition to their primary job of controlling movement. The putamen, globus pallidus, caudate nucleus, subthalamic nucleus, and substantia nigra are the other four pairs of nuclei that make up the basal ganglia. For a very long time, it has been considered that thalamic neurons fire in burst mode during sleep and unconsciousness and in tonic mode during perceptive states. However, new research indicates that bursts could also be important for the encoding of sensory data. The clusters of tightly packed neuronal cell bodies that make up the thalamus are known as thalamic neurons. Just above the brainstem in the middle of the brain, the thalamus is an oval, paired gray matter structure.
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Question 5 of 10
Where is the long, thin beak of a hummingbird most clearly an adaptation?
OA. A dense forest of pines and other coniferous trees
B. A meadow where plants with tube-shaped flowers grow
OC. A mountaintop where a few plants with very small flowers grow
OD. A pasture covered by wind-pollinated grasses
Answers
Answer:
B. A meadow where plants with tube-shaped flowers grow.
Explanation:
According to Hummingbird Spot, “The hummingbird beak is longer in proportion to their body than other birds because it is adapted to reach deep into flowers to obtain the nectar they produce. There are also adaptations to allow the bird to catch insects, which is how they get their protein.”
Hope this helps!
11) What name is given to any cell that is produced after cell division?
OA.) daughter cell
OB.) parent cell
Answers
OA.)Daughter cell
studocu 1. describe the physical changes that occur during middle adulthood (sensory system functioning and reproductive system changes).
Answers
During middle adulthood, individuals may experience physical changes. The sensory system can undergo changes, such as declining near vision, decreased hearing ability (especially in high frequencies).
And diminished taste and smell. In terms of the reproductive system, women experience menopause, marked by hormonal changes and symptoms like hot flashes, while men may experience a gradual decline in testosterone levels known as andropause, leading to physical changes and potential impact on sexual functioning. These changes vary among individuals and can be influenced by lifestyle, genetics, and overall health. Regular check-ups and a healthy lifestyle can help manage these changes and promote well-being.
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What macromolecule does the human body use
as its primary energy SOURCE?
A. carbohydrates
B. nucleic acids
C. DNA
D. RNA
Answers
Answer:
A
Explanation:
How does the polar climate influence human life? please help.....
A. Travel during winter requires careful planning.
B. Humans have moved further south due to the weather.
C. Plentiful jobs bring people regardless of the climate.
D. Growing animal populations have forced humans from their land.
Answers
Answer:
B one? Please Mark it as brainlist answer.
Answer:
c
Explanation:
just because i know
Which group was not described in Woese's tree of life analysis?
View Available Hint(s)
a. Prokarya
b. Archaea
c. Bacteria
d. Eukarya
Answers
Woese's analysis of a tree of life did not include prokarya among the categories it described.
What does analysis mean example?the process of closely scrutinizing something in order to learn more about it or form an opinion and judgment after doing so: An unbiased assessment of the results of the investment plan was done by our financial specialists. Clare's interpretation of the issue piqued my interest.
What is a analysis in writing?Your chance to contextualize or explain the evidence for your reader is during analysis. You may explain to a readers the importance of the evidence, what it means, and how it connects to other concepts in your work in your analysis.
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What is the best method for describing and mapping terrestrial biomes? Biome Metric System (BMS) There's no standardized method, so the best method is to evaluate climatic conditions and the dominant form of vegetation International System of Biomes (ISB) Universal Biome System (UBS) There's no standardized method, so the best method is to evaluate human uses and valuation of the area
Answers
The best method for describing and mapping terrestrial biomes typically involves evaluating climatic conditions and the dominant form of vegetation. This approach is widely used and forms the basis for various classification systems, including the Köppen-Geiger climate classification system and the Holdridge life zone classification system. These systems consider factors such as temperature, precipitation, and vegetation types to classify and map different biomes.
While there is no universally standardized method for describing and mapping biomes, the evaluation of climatic conditions and vegetation provides a robust and scientifically grounded approach. It allows for the identification of distinct biomes based on their ecological characteristics and helps understand the distribution of different biomes across the Earth's surface.
Other approaches, such as the International System of Biomes (ISB) or Universal Biome System (UBS), may incorporate additional factors or emphasize human uses and valuation of the area. These approaches may be more focused on human perspectives or conservation priorities rather than purely ecological considerations. However, when it comes to a scientific understanding of biomes, evaluating climatic conditions and vegetation remain key factors.
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.A geneticist conducts an experiment with peas, one sample of offspring consisted of 483 green peas and 159 yellow peas. Based on these results, estimate the probability of getting an offspring pea that is green.
Report the answer as a percent rounded to one decimal place accuracy. You need not enter the "%" symbol.
prob = ____________ %
Is the result reasonably close to the value of 3/4 that was expected?
yes or no
Answers
The probability of getting an offspring pea that is green by the geneticist is 75 %.
The result is reasonably close to the expected value of 3/4, which is equivalent to 75%.
To estimate the probability of getting a green pea offspring, we can use the ratio of green peas to the total number of peas in the sample.
The total number of peas in the sample is 483 + 159 = 642.
The probability of getting a green pea offspring is given by:
Probability of green pea = Number of green peas / Total number of peas
Probability of green pea = 483 / 642
To convert this to a percentage, we multiply by 100:
Probability of green pea = (483 / 642) * 100
Calculating this value gives us:
Probability of green pea = 75.2%
The result is reasonably close to the expected value of 3/4, which is equivalent to 75%.
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how do potassium channels select the ion that can travel through the channel? group of answer choices membrane-spanning subunits concentration pore loop voltage
Answers
Answer: Potassium channels allow K+ ions to easily diffuse through their pores while effectively preventing smaller Na+ ions from permeation. ... This selection process occurs at the narrow selectivity filter that contains structurally identified K+ binding-sites
Explanation:
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what's another word for hindered?
Answers
“Create difficulties for (someone or something), resulting in delay or obstruction.”
Other words for hindered:
• Hamper
• Obstruct
• Impede
• Inhibit
ARTICLE:
A 1To survive, a plant needs water and
2A plant also needs minerals
energy
from the soil and a gas called carbon
dioxide, or CO₂, from the air. 3Minerals
are elements such as nitrogen and
phosphorus that are found in the
ground and that plants need to stay
healthy 4Carbon dioxide is a gas that
plants use to make food.
B5 You already know that each plant
cell has structures that help the cell
survive. 6The whole plant also needs
structures. 7For example, a plant
has one structure to get water and a
different structure to gather sunlight.
8Plants use roots to get water and
minerals from the soil.9 Roots are
structures that also anchor plants to
the ground. 10Plants trap energy from
sunlight in their leaves. 11Leaves also
bring CO, gas into the plants. 12Do
you know what structures raise plants
above the ground? 13For flowers and
trees, it is the stems and trunks that
elevate the plants.
C 14Sometimes it is not easy to
understand what each plant structure
does. 15But often, its function can be
discovered by imagining what would
happen to the whole plant if one of its
parts were damaged or removed
D 16For example, think about a bicycle.
17What is the function of a bicycle's
handlebars? 18 Answer by thinking what
would happen if the handlebars were
broken or missing. 19You could not steer
the bicycle. 20Therefore, the function
of handlebars is to steer a bicycle. 21What
would happen if a tire went flat? 22 The
bicycle would no longer ride smoothly. 23We can use a table to organize such information.
E 24 The table below lists some bicycle
parts. 25 Their functions were found
by asking, "What would happen to the
bicycle if the part were damaged or
missing?"
QUESTIONS:
For each statement, circle T
or F for true or false. In the
blanks, write the number(s) of the
SENTENCE(s) that gives the best
evidence for the answer.
a. CO₂ exists in the atmosphere
as part of the air.
T. Or F sentence __________
b. Phosphorus is a gas
plants need to survive.
T. Or F. sentence __________
sentence 2 __________
c. Carbon dioxide is a mineral.
T. Or. F. sentence __________
d. The only function of roots is to
anchor a plant.
T. Or. F sentence __________
sentence 2 __________
2. What is the most likely meaning of
anchor as used in sentence 9?
a. loosen up
b. hold down
c. release from
d. hang on
3. What would happen to a plant if
some of its structures failed to
function?
__________________
__________________
__________________
Write the number of the sentence
that gives the best evidence for
the answer.____
4. What is the likely meaning of
elevate as it is used in sentence
13?
a. bring down
b. move sideways
c. trim shorter
d. make higher
5. What would be a good reason to
elevate a plant?
______________________
______________________
______________________
Write the number of the
paragraph that gives the best
evidence for the answer._____
6. Think about the Parts of a Bicycle
chart in the lesson. The function
of each part was learned after
thinking about what would happen
if the part were missing. Use the
same kind of thinking to complete
the Parts of a Plant chart below.
Also, use information about plant
parts from the lesson.
Answers
Carbon dioxide, CO₂, is present in the atmosphere as a gas and is required by plants for photosynthesis occurring in the leaf whereas minerals like phosphate and nitrogen are present in the soil.
What are the functions of plant parts?Plants have various parts that function to help the plant survive such as leaves, roots, and stems.
The functions of the parts of the plant are as follows:
Leaf - Produce food (photosynthesis), transpire water, and exchange gases. If they are absent, the plant will not be able to produce food (photosynthesis) Trunk - Support branches and leaves, transport water and nutrients from roots to leaves, and store food. If they are absent, the plant will not be able to stand upright or support branches and leaves Stem - Support leaves and flowers, transport water and nutrients, and store food. If they are absent, the plant will not be able to grow taller or support leaves and flowers.Root - Absorb water and nutrients from the soil, anchor the plant in the soil, and store food. If they are absent, the plant will not be able to absorb water and nutrients or anchor the plant in the soil.Considering the given questions:
a. CO₂ exists in the atmosphere as part of the air; True. Sentence 2
b. Phosphorus is a gas plants need to survive; False. Sentence 3
c. Carbon dioxide is a mineral; False. Sentence 3
d. The only function of roots is to anchor a plant; False. Sentences 8 and 9.
2. The most likely meaning of anchor as used in sentence 9 is hold down; option B.
3. A plant would die if some of its structures failed to
function. Sentence 5.
4. The likely meaning of elevate as it is used in sentence 13 is to make higher; option D.
5. A good reason to elevate a plant is for it to obtain nutrients above the ground.
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According to sheldon's theory villain in the movie despicable me would be classified as a(n) ______________. he has a thin body which deviates from the ideal body type
Answers
According to Sheldon's theory, the villain in the movie "Despicable Me" would be classified as an ectomorph. Ectomorphs are individuals who have a thin body type that deviates from the ideal body type.
In Sheldon's theory of somatotypes, he proposed that there are three primary body types: ectomorphs, endomorphs, and mesomorphs. Ectomorphs are characterized by being lean, slender, and having a difficulty in gaining muscle mass. They often have a fast metabolism and find it challenging to gain weight. The thin body type of the villain in "Despicable Me" aligns with the characteristics of an ectomorph.
The concept of Sheldon's somatotypes is based on the idea that an individual's body type can influence their personality and behavior. However, it is important to note that this theory has been criticized for its lack of empirical evidence and oversimplification of the complex relationship between body and mind.
In summary, based on Sheldon's theory, the villain in the movie "Despicable Me" would be classified as an ectomorph due to their thin body type that deviates from the ideal body type.
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complete question:
According to Sheldon's theory, which classification would the villain in the movie Despicable Me be placed in? The villain has a thin body, which deviates from the ideal body type.
In diffusion, when the concetration of molecules is equal or even, this is called what? equality equilibrium unequality paralibrium
Answers
Answer: paralibrium
Explanation:
Can you please help me with this?
Answers
Answer:
The population of peppered moths thrived, because they camouflaged with the bark of the trees, thereby they were not easily seen by predators. Black moths were easily seen by predators and they were eaten as a result. Because the black moths did not survive, they were unable to reproduce offspring with those traits. However, peppered moths were able to reproduce offspring that were also peppered. During the industrial revolution, the colour of the bark darkened. This meant the peppered moths were easily seen by predators, so they were eaten. Black moths camouflaged with the bark, so now they weren't easily seen by predators. Now that the black moths survived, they could reproduce more black moths. But peppered moths weren't able to reproduce more peppered moths because most didn't survive. This is an example of how an abiotic factor, such as bark can affect a population of a species. Because the bark influenced the survival of the moths, some moths with the desirable traits survived, and others with the undesirable traits died.
Explanation:
A state agency wants to release endangered hawks but needs to determine the best site for their release. The state would like to know how many rabbits are in each area to determine which area has the largest prey population. Create a plan to determine how many rabbits are in each area to determine which site is the best location. Your plan should include specific information on how many animals will be tagged and how many samples should be taken to get the most accurate results. Use your simulation data to help you develop this plan
Answers
We choose that site which have large number of rabbits because rabbits are the food of hawks.
Which location should be selected?That site should be considered the best which has large number of rabbits because rabbits provide food for hawks so increase in population occurs in that location. We know that rabbits are the food of hawks so without suitable amount of food, the population of hawks is unable to increase.
So we can conclude that we choose that site which have large number of rabbits.
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Biology question! Please help if you can :)
Answers
Answer:
Budding
Explanation:
Answer:
Budding
Explanation:
Budding, in biology, is a type of asexual reproduction in which a new individual develops from a generative anatomical point of the parent organism. The initial protuberance, the bud, will eventually develop into an organism duplicating the parent.
How many types of joints are there in the human body?
A.
4
B.
2
C.
12
D.
6
Answers
Answer:
D. six or 6
Explanation:
edg practice test 22
There are six types of joints in the human body. The correct option is D.
What are the different types of joints?Synarthrosis (immovable), Amphiarthrosis (slightly movable), and Diaarthrosis are the three types of joints that can be used functionally (freely movable).
Synarthroses are fibrous, amphiarthroses are cartilaginous, and diarthrosis is synovial, according to the two classification systems.
Joint with a ball and socket. The ball and socket joint, which allows movement in all directions, has one bone's rounded head resting in another bone's cup.
A flexible joint: A door would open and close along one plane and in one direction at the joint. Suspender joint: The saddle joint does not permit rotation, but it does provide backward and forward mobility.
Ball and socket, saddle, condyloid, pivot, and gliding are among the six varieties of freely movable joints.
Therefore, the correct option is D. 6.
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what bonds does thrombin hydrolyze?
Answers
Thrombin is a serine protease that hydrolyzes peptide bonds. Specifically, thrombin hydrolyzes the peptide bond between the arginine and glycine residues in the sequence Arg-Gly-Asp-Ser-Gly-Gly in fibrinogen, which leads to the formation of fibrin and ultimately blood clotting.
Thrombin also activates other proteins involved in the coagulation cascade, such as factor V, factor VIII, and factor XIII, by hydrolyzing specific peptide bonds in these proteins. Additionally, thrombin hydrolyzes the peptide bond between the arginine and serine residues in the sequence Arg-Ser-Phe-Leu-Gly-Gly in protein C, leading to the activation of protein C and the regulation of blood clotting.
In summary, thrombin hydrolyzes peptide bonds in fibrinogen, factor V, factor VIII, factor XIII, and protein C to regulate blood clotting.
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which one is not a relational dialectics? autonomy/connectedness novelty/predictability compromising/understanding openness/closeness
Answers
Compromising/Understanding is not a relational dialectic. Relational dialectics refer to the tensions and contradictions that exist within relationships.
These tensions are often characterized by opposing needs or desires. Autonomy/Connectedness, Novelty/Predictability, and Openness/Closeness are all examples of relational dialectics.
Autonomy/Connectedness refers to the tension between the desire for independence and individuality versus the need for connection and interdependence in a relationship. Novelty/Predictability relates to the tension between the desire for excitement, change, and exploration versus the need for stability, routine, and predictability. Openness/Closeness reflects the tension between the desire for openness, disclosure, and sharing versus the need for privacy, boundaries, and protection.
However, compromising/understanding is not typically recognized as a relational dialectic. While compromise and understanding are important aspects of a healthy relationship, they do not represent opposing needs or desires in the same way that the other dialectics do. Instead, compromising and understanding are often seen as strategies or skills used to manage and address the tensions arising from other relational dialectics.
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The BLANK row of the Perio Chart displays values for recession.
A) Furcation
B) Gingival Margin
C) Mobility
D) Probing
Answers
The BLANK row of the Perio Chart displays values for recession for Gingival Margin.
Option B is correct.
How do we explain?The Gingival Margin row in the Perio Chart displays values for recession.
The Gingival recession refers to the exposure of the tooth root surface due to the loss of gum tissue and is measured in millimeters and represents the distance between the gumline and the highest point of the tooth root that is exposed.
The Gingival Margin row in the Perio Chart helps to assess and monitor the level of gum recession in each tooth and provides valuable information about the health of the gum tissue and the stability of the tooth.
The Recession can be caused by various factors such as gum disease, aggressive tooth brushing, tooth misalignment, or trauma.
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Mutations that are harmful to cells occur more frequently than those that benefit cells are called:_______
Answers
Mutations that are harmful to cells occur more frequently than those that benefit cells are called deleterious mutations.
Genetic changes known as "deleterious mutations" are those that have an adverse effect on the viability or normal operation of an organism's cells or its progeny. These mutations may have a variety of detrimental effects, including as developmental defects, greater susceptibility to disease, diminished fertility, and shorter longevity. Destructive mutations can result from a number of things, such as exposure to mutagens, defects in DNA replication, and abnormalities in DNA repair processes. Others can have severe repercussions that drastically lower the organism's capacity for survival and reproduction, but some harmful mutations may be small and have minimal effect on an organism's fitness.
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What type of trees looses their leave on fall
Answers
Answer:
deciduous trees
Explanation:
Answer:
Deciduous trees
Explanation:
Which of the following describes a scenario that would result in the phenotypic change shown in the graph?
(please someone help )
Answers
C is the correct answer
This is an example of stabilizing selection in which there are selective pressure acting against the two extremes of a trait. This results in the intermediate trait to rise in frequency in the population
The graph given below shows the process of stabilizing selection, where the individuals have an intermediate phenotype increase in number. This scenario also refers to heterozygous advantage.
What do you mean by Phenotype?The phenotype may be defined as the appearance or manifestation of a specific character. It is also referred to as a trait.
In stabilizing selection, selection pressure is applied to both the extreme ends, which means the purebred characters possess selection pressure. And due to this the individuals with intermediate phenotypes are more favored.
Therefore, the graph given below shows the process of stabilizing selection.
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mechanics of transcription: describe the molecules involved, the steps of the process, and location within the cell
Answers
Transcription is the process by which genetic information encoded in DNA is copied into a complementary RNA molecule. It involves several molecules and occurs in the nucleus of eukaryotic cells or the cytoplasm of prokaryotic cells. The process of transcription can be divided into three main steps: initiation, elongation, and termination.
1. Initiation:
Initiation is the first step of transcription, where the RNA polymerase enzyme binds to a specific region of the DNA called the promoter. In eukaryotic cells, additional proteins known as transcription factors assist in the binding of RNA polymerase to the promoter. Once the RNA polymerase is bound, it unwinds a small portion of the DNA helix to expose the template strand. The template strand serves as a template for the synthesis of a complementary RNA molecule.
2. Elongation:
During the elongation step, RNA polymerase moves along the DNA template strand, synthesizing an RNA molecule that is complementary to the template. It adds nucleotides to the growing RNA molecule in a 5' to 3' direction. As the RNA polymerase moves forward, the DNA helix reforms behind it. The newly synthesized RNA molecule forms base pairs with the exposed DNA template, forming a temporary RNA-DNA hybrid.
3. Termination:
Termination is the final step of transcription, where the RNA polymerase recognizes a termination signal on the DNA template. In prokaryotic cells, termination signals may involve specific DNA sequences or the formation of RNA secondary structures. When the termination signal is encountered, the RNA polymerase dissociates from the DNA template, and the newly synthesized RNA molecule is released. In eukaryotic cells, termination is more complex and involves additional factors.
The molecules involved in transcription include:
- RNA polymerase: This enzyme synthesizes the RNA molecule by adding nucleotides to the growing RNA chain.
- DNA template: One of the DNA strands, known as the template strand, serves as a template for the synthesis of the complementary RNA molecule.
- Nucleotides: These are the building blocks of RNA and are added by RNA polymerase to the growing RNA chain.
- Transcription factors (eukaryotes): These proteins assist in the binding of RNA polymerase to the promoter region and regulate the initiation of transcription.
- Termination signals: These DNA sequences or structures signal the end of transcription.
In eukaryotic cells, transcription occurs in the nucleus, where the DNA is located. After transcription, the RNA molecule undergoes processing, including the removal of introns and the addition of a protective cap and a poly(A) tail, before it is transported to the cytoplasm for further processing or translation into proteins. In prokaryotic cells, transcription occurs in the cytoplasm since they lack a distinct nucleus.
It's important to note that this description provides a general overview of transcription, and the process can vary in different organisms and under specific conditions.
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I need one paragraph about Cell Energy
Answers
know
The hypothesis becomes the basis of what?
A. the data to interpret
B. a law
C. a statistical analysis
D. the experiment
Answers
Answer:
may be the answer is A or D
The hypothesis is the supposed conjecture that is made for the experiment or the investigation to occur. The hypothesis makes the basis of the experiment. Thus, option D is correct.
What is a hypothesis?A hypothesis is defined by the idea or the proposed concept that is not proven yet and is based on the information with limited evidence to support the detail.
It is falsifiable and is not assumed to be truly proven or accurate. It is a foretelling that can be proven correct or incorrect by the experimental design.
It is important in linking the idea to the experiment question and the theoretical data. It allows the researcher to solve the problem by providing the solution through research and experiment.
Therefore, option D. the hypothesis is the basis of an experiment.
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Why do scientists use scale to study the solar system? *
Answers
we can accurately visualize or model the solar system, we are better able to understand how it works, make predictions about the impacts of various changes in the solar system.
What is solar system ?The solar system is a large with approximate size at least 100 astronomical units in size held together by the sun’s immense gravitational pull that keeps the planets and the asteroids in orbit
The solar system have 8 planets which revolve around the sun in an elliptical paths known as orbits where The earth is also one of the planets and lies at a distance from the sun.
These planets were formed at least 4.6 billion years ago where discs of dust and gas orbiting around the sun followed by collapse and clumping together due to gravity.
There are two types of planets are observed such as Rocky planets include Mercury, Venus, Earth, and Mars as these are made up of solid rock and metal; Gas giants include Jupiter, Saturn, Uranus, and Neptune
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which term best describes the water combined with powder to make lemonade?
Answers
Solvent is the term that best describes the water combined with powder to make lemonade.
Lemonade is a solution made up by combining two components- water and a solute (powder here). Generally, a solution has two main components made up by solute and solvent. While powder is the solute here, water is the solvent. The component is larger quantity is the solvent, whereas the one with comparatively lesser quantity is a solute. Moreover, a solute is often a solid form, while solvent is generally a liquid.
The solutions are homogenous mixtures of two or more substances. Homogenous mixtures are the ones that have no residual substances settled or set free in it. The individual components of such mixtures cannot be seperated using the physical methods. They can either be seperated chemically. The particles of such solutions cannot be seen physically but can only be considered under a microscope.
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