Answers
Answer: True
Explanation:
hope it helps
Related Questions
Phosphorous (P) and chlorine (Cl) bond covalently to form the important industrial compound phosphorous trichloride. The diagrams below show the electron structures of phosphorous and chlorine. On left, a purple circle labeled P surrounded by 3 concentric circles. The inner circle has 2 small green spheres. The second circle has 8 small green spheres. The third circle has 5 small green spheres. On right, a purple circle labeled C l surrounded by 3 concentric circles. The inner circle has 2 small green spheres. The middle circle has 8 small green spheres. The outer circle has 7 small green spheres. Which diagram shows how the covalent bonds most likely form in a phosphorous trichloride molecule? At center, P connected above by 2 lines to C l with 2 dots each on right, left, top. Also connected by 1 line at left to C l with 2 dots each above, below, left. Also connected by 1 line at right to C l with 2 dots each above, below, right. At center, P connected above by 2 lines to C l with 2 dots each on right, left, top. Also connected by 2 lines at left to C l with 2 dots each above, left. Also connected by 2 lines at right to C l with 2 dots each above, right. At center, P connected above by 1 line to C l with 2 dots each on right, left, top. Also connected by 1 line at left to C l with 2 dots each above, below, left. Also connected by 1 line at right to C l with 2 dots each above, below, right. P also has 2 dots below. At center, P connected above by 2 lines to C l with 2 dots each on right, left, top. Also connected by 1 line at left to C l with 2 dots each above, below. Also connected by 1 line at right to C l with 2 dots each above, below.
Answers
The chlorine atoms are all arranged around the phosphorus central atom in a trigonal pyramidal geometry.
What is the structure of a molecule?We know that a molecule is made up of atoms, the atoms that make up a molecule are arranged in a definite pattern. The pattern that these atoms are arranged along with the positioning of electron pairs around the central atom is what determines the shape of the molecule.
Now we know that the phosphorous trichloride molecule is composed of one atom of phosphorus and three atoms of chlorine which are all held by covalent bonds.
The chlorine atoms are all arranged around the phosphorus central atom in a trigonal pyramidal geometry. The small green spheres shows the electrons that surround the chlorine atom.
The correct structure of the phosphorous trichloride have been shown in the image attached to this answer.
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In ecosystems, plants transform light energy from the Sun into chemical energy when they make sugar. This sugar can then be consumed by other organisms to be used as building blocks for other molecules, such as proteins and fats, or it can be transformed into other forms of energy, such as kinetic energy, when the organism moves. Which of the following statements is supported by the above information? A. Energy can change forms, but only one kind of matter exists. B. Matter can change forms, but only one kind of energy exists. C. Matter and energy can change forms and locations in ecosystems. D. Matter and energy must always remain in the same form and location.
Answers
Answer:
The answer is C. Matter and energy can change forms and locations in ecosystems.
Explanation:
complete the statement.
A
is used to observe things, like cells, that are too small to see with the naked eye.
Answers
Answer:
microscope
Explanation:
Answer:
a microscope
Explanation:
i got it right on edge
If the objective lenses of a microscope can be changed without losing focus on the specimen, they are said to be ______. A) equifocal. B) totifocal. C) parfocal.D) optifocal.
Answers
Answer:
C) parfocal.
Explanation:
A microscope can be defined as an optical device that is typically used to make an enlarged (magnified) image of a minute (small) object and as such reveals all the little information about the object that cannot be seen by the natural human eye.
A microscope is said to be parfocal if its lense is binocular and they can both be in focus.
Hence, if the objective lenses of a microscope can be changed without losing focus on the specimen, they are said to be parfocal.
A mother transfers antibodies to her baby through breast milk. This is an example of
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1. A severe weather watch means which of the following?* (
(1 Point)
The conditions are right for severe weather, but it is not occurring yet.
Severe weather is occurring
Severe weather has passed through and it is now safe to go outside
It is the season during which type of severe weather concerned occurs.
Answers
Answer:
Its the first one because a watch means it could happen (this one is random) but if its a warning that means EVACUATE AHHHHHHHHHH.
Explanation:
Your welcome :3
Why is it important that psychologists understand biology in their efforts to better understand behavior and mental processes?
Answers
Answer: By looking at the biological bases of human behavior, psychologists are better able to understand how the brain and physiological processes might influence the way people think, act, and feel.
GIVING BRAINLIEST TO FASTEST CORRECT ANSWER (TIMED)
Two communities have a contamination area of 576 square meters and are given methods A, B, and C to clean up
the contamination area. Community 1 is a smaller community and therefore has less resources such as monies
available for the clean-up. Community 2 has more resources but more endangered species of plants and animals in
the contamination area. The longer the contamination is present the more harm there is to the environment including
living things. There are a variety of methods for cleaning up contamination in bodies of water and soil. Look at the
data table below and pick the best method for each community.
1. Using table 1, state which method would be best for community 1 and 2 at 10°C. Justify your answer.
Community 1:
Community 2:
2. Using table 1, state which method would be best for community 1 and 2 at 20°C. Justify your answer.
Community 1:
Community 2:
3. Using table 2, state which method and at what concentration would be best for community 1 and 2. Justify
your answer.
Community 1:
Community 2:
Answers
A. Considering table 1, the following procedure would work the best for communities 1 and 2 at 10°C:
Community 1: Method A because it is significantly less expensive than Method B and removes pollution more quickly than Method C.
Community 2: Method B because it preserves the lives of the local endangered species and removes contaminants more quickly than the other ways.
B. The approach that would work best for communities 1 and 2 at 20°C using table 1 is:
Community 1: Method C since it is less expensive and removes pollution more quickly.
Community 2: Process A since it removes pollution the fastest of the available options.
C. For communities 1 and 2, the technique and concentration that would work best are:
Community 1: Using Method A at 100 ppm is less expensive and less harmful to the environment.
Community 2: Compared to the other techniques, Method B at 200 ppm cleans up the contamination the fastest and with the least amount of environmental harm.
What are the main contaminants in the environment?Polyaromatic hydrocarbons, heavy metals, pesticides, organic solvents, inorganic solvents, and other pollutants are among the most prevalent environmental contaminants. Accidental discharge of these toxins into the environment causes the emergence of new diseases that affect human health as well as population deaths in large numbers.
Radon and biological agents such as molds, certain infectious agents such as bacteria or viruses, and dust mites also contaminate the environment.
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Organ system campaign advertisement
Answers
Introducing the Organ System Campaign - advocating for the health and well-being of your body's organ systems!
Our goal is simple - to raise awareness about the importance of taking care of all your body's organ systems. Each organ system plays a vital role in keeping your body functioning properly, and neglecting any one of them can have serious consequences for your overall health.
From the circulatory system, which pumps blood and oxygen to your organs and tissues, to the respiratory system, which brings in oxygen and expels carbon dioxide, to the digestive system, which breaks down food and absorbs nutrients, every system is crucial.
Our campaign will focus on educating people about healthy habits, such as eating a balanced diet, staying hydrated, getting enough exercise, and getting regular check-ups with your doctor. We want to empower individuals to take control of their health and make choices that benefit their body's organ systems.
Join us in the fight for healthy organ systems - because a healthy body is a happy body!
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all of the chemical processes that occur in the body is called
Answers
Answer:
metabolism
Explanation:
u can look this stuff up its easier than waiting for an answer
Which part of the chemical equation is incorrect?
Answers
Answer: Thus the coefficient of oxygen is incorrect.
Explanation:
According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.
The given chemical equation for combustion of butane is
\(2C_4H_{10}+10O_2\rightarrow 8CO_2+10H_2O\)
The balanced chemical equation for combustion of butane is :
\(2C_4H_{10}+13O_2\rightarrow 8CO_2+10H_2O\)
Thus the coefficient of oxygen is incorrect.
The graphic shows the island of Krakatoa, which disintegrated in 1889, due to the largest volcanic eruption in recorded history. In
the century since the eruption, the island has re-formed from lava flows. The table above shows the number of species of various
plant types that were found on the island over a 30 year period, since the island re-surfaced above the ocean in the 1950's.
Which groups of plants were probably most active in secondary succession and re-establishing the native habitat?
A)
moss
B)
grasses
small trees
D
shrubs and small trees
Answers
As a spider grows, basal cells in the midgut, a part of the spider's digestive tract, develop into secretory or digestive cells. Which statement best explains how different cells develop from the same basal cells?
Answers
The development of different cell types from the same basal cells in the spider's midgut is a result of cell differentiation. This process is regulated by various molecular signals and interactions, leading to the activation of specific genes and the acquisition of distinct cellular characteristics.
During the growth of a spider, the development of different cells from the same basal cells can be attributed to the process of cell differentiation. Cell differentiation is a fundamental process in which cells with the same genetic information acquire specific characteristics and functions. It involves the activation and repression of specific genes, leading to the formation of distinct cell types.
The basal cells in the midgut of a spider possess the potential to differentiate into different cell types. This differentiation process is regulated by various molecular signals and interactions within the cellular microenvironment. These signals can be influenced by both intrinsic factors, such as gene expression patterns, and extrinsic factors, such as the surrounding tissues or signaling molecules.
As the spider grows, certain signals are triggered that initiate the differentiation of basal cells into secretory or digestive cells in the midgut. These signals may include the activation of specific transcription factors or the exposure to signaling molecules that promote cell specialization.
Once the differentiation process is initiated, the basal cells undergo changes in gene expression patterns, leading to the acquisition of distinct cellular characteristics. These changes include the activation or repression of specific genes involved in secretory or digestive functions, resulting in the development of functional secretory or digestive cells.
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Which two Kingdoms are nearly the same, except for where they can survive?
A. Plantae and Fungi
B. Protista and Plantae
C. Eubacteria and Archaebacteria
D. Protista and Archaebacteria
Answers
Eubacteria and Archaebacteria are the two Kingdoms are nearly the same. The correct option is C.
What are eubacteria?Eubacteria are prokaryotic microbes that consist of a single cell that lacks a nucleus and contains DNA in the form of a single circular chromosome.
Eubacteria are gram-negative or gram-positive bacteria with economic, agricultural, and medical significance. E. coli, Lactobacilli, and Azospirillum are among them.
Archaebacteria are referred to as ancient bacteria, whilst the eubacteria are referred to as true bacteria.
Archaebacteria, unlike eubacteria, can survive in harsh environments.
The resemblances are that archaea and eubacteria are both prokaryotes, which are single-celled organisms without a nucleus or organelles.
Thus, the correct option is C.
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Plants in the tropical
rainforest:
A. Experience some of the most
fertile soil in the world.
B. Help each other to grow and
flourish.
C. Are constantly competing for
scarce water resources.
D. Are numerous and in constant
competition for sunlight.
Answers
The rainforest is one of the most diverse biomes. Options A and D. Experience some of the most fertile soil in the world. Are numerous and in constant competition for sunlight.
What si the tropical rainforest?The tropical rainforest is a biome is located near the equator, where precipitations are abundant and the average temperature is elevated most of the year.
As a result of the climatic conditions, this biome gives shelter to a huge number of living organisms. The canopy structure provides many refuges for plants and animals and is an important source of food. It also favors interactions between species.
There are different plant species, such as epiphytes, lianas, stranglers, aerial-rooted pants, and tabular-rooted plants, among other vegetation forms.
Fanerophic species dominate this biome. Evergreen tall trees might reach up to 50 meters in height. They develop dense foliation and branches, becoming a refuge and source of food for many species.
Vegetation does not need to develop strategies for surviving the dry season. Instead, they need to develop strategies for competing for light and nutrients.
Since vegetation is very dense, woody species grow in height looking to get greater sun radiation. Competition for sunlight is quite significant, generating different strata canopy at varying levels in the forest.
Abundant vegetation and other factors such as temperature, precipitation, and natural cycles create one of the most fertile soils favoring the growth and development of many species.
According to this framework, the correct options are A and D. Experience some of the most fertile soil in the world. Are numerous and in constant competition for sunlight.
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9) How long was the Northeastern, United States blanketed by the ice sheet?
Answers
Answer:
between c. 95,000 and c. 20,000 years
Explanation:
An advantage of asexual reproduction over sexual reproduction is that organisms reproduce asexually have greater genetic diversity
Answers
Answer:
False
Explanation:
Sexual reproduction produces organisms with more diversity because the offsprings are each different in their own way, unless they are identical twins, while asexual reproduction usually produces offspring that are exactly alike with like variation. The asexual offspring are usually identical to the parent with the exact DNA sequence.
Please help me out with this.
Answers
The cell wall protects the cell it acts like a barrier
Check ALL that pairs with positively inotropic:
increase
decrease
heart rate
contractile force
epinephrine
acetylcholine
atropine
sympathomimetic
parasympathomimetic
parasympatholytic
Answers
Inotropes are the drug class that increases the blood pump and strengthens the heart rate. It increases the heart rate and contractile force.
What are positive Inotropes?Positive Inotropes are the agents that increase the heart rate and the blood pressure resulting in increased heart contractions to pump more blood. This type of drug class is administered to patients suffering from cardiomyopathy.
In positive inotropes, the heart rate increases, and the contractile force also strengthens. Epinephrine and sympathomimetic agents like dopamine act on the sympathomimetic resulting in increased cyclic AMP levels.
Therefore, heart rate increases with positive inotropes.
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A pelican with excellent eyesight has
Answers
A pelican with excellent eyesight has the ability to spot fish in water from above, diving down to catch them.
A pelican is a water bird that has evolved to be able to dive into the water to catch fish. Pelicans are known for their large bills, which they use to scoop up fish from the water. A pelican with excellent eyesight has the ability to spot fish in water from above, diving down to catch them.
Pelicans have a unique set of adaptations that allow them to spot fish from above the water's surface. Pelicans have large eyes that are well-suited to detecting movement, which is essential for spotting fish in the water. They also have the ability to adjust the lenses in their eyes to focus on objects both in the air and underwater
.Their keen eyesight and keen sense of hearing make them excellent hunters, and they are known for their ability to spot fish even in murky water.
Once a pelican spots a fish, it will fold its wings and dive headfirst into the water to catch it. Pelicans can hold their breath for up to a minute while they dive underwater to catch fish, and they can swallow their prey whole. Pelicans are fascinating birds that have a unique set of adaptations that allow them to thrive in their aquatic habitat.
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why does antibiotic resistance threaten global human health
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Antibiotic resistance occurs when bacteria develop the ability to resist the effects of antibiotics, rendering them ineffective in treating bacterial infections.
When antibiotics are overused or used inappropriately, bacteria can develop resistance to them, and this resistance can be spread between different bacterial strains and even between different species.
The consequences of antibiotic resistance are far-reaching and potentially devastating. It can lead to prolonged illness, increased healthcare costs, and higher mortality rates.
It can also make it more difficult to control infectious disease outbreaks, as well as pose a significant threat to vulnerable populations such as young children, elderly individuals, and those with weakened immune systems.
In summary, antibiotic resistance is a global threat to human health because it can lead to the emergence of superbugs that are difficult or impossible to treat, resulting in prolonged illness, increased healthcare costs, and higher mortality rates. To combat this threat, it is crucial to use antibiotics responsibly and develop new antibiotics to stay ahead of bacterial resistance.
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What are the disadvantages of pteridophytes?
Answers
Answer:
Ferns don't reproduce with seeds so they don't spread as much as plants that produce seeds.
Explanation:
All of the following statements about diploid cells are true except:
They contain a full set of chromosomes.
They contain half of a set of chromosomes.
An example would be stem cells.
Answers
Answer:
The answer is "They contain half a set of chromosomes"
Explanation:
Diploid cells have two complete sets of chromosomes.
Which of these best lists what a lab report should include?
Purpose, procedure, analysis, photos with captions
Purpose, hypothesis, procedure, data, analysis, conclusion
O Procedure, hypothesis, data, journal entries, charts
Graphic organizers, data, analysis, labeled drawings
Answers
Answer:
The second one.
Explanation:
Purpose, hypothesis, procedure, data, analysis, and conclusion.
HELPPP! i’m so confused and i need to get a good grade
Answers
Answer:
Most of the water on earth is located in the oceans
Explanation:
The question states, 97 percent of the worlds water is salt water, which is what oceans are made up of, and, obviously, oceans are made up of salt water, and oceans also cover up approximately 71 percent of the earth, which from there, we can infer, that most of Earths' water is in the oceans.
hope this helps, a brainliest would be appreciated
5. Gas stations aren't just places to fill up the tank. Can you find 2 things that Shaq at
the Recycle City gas station does to help the environment?
Answers
Answer:
decrease pollution also make the air fresher
Explanation:
I know this because instead of burning trash they reuse it .
I need this now pleaseee
In your on word write a sentence describing a situation between 2 people and then rephrase to show empathy
Answers
The inheritable structural changes that occur in certain plants over time, enabling them to be
best fit in dry habitats, are examples of
A: Energy flow relationships
B: Succession
C: Nutritional relationships
D: Adaptations
Answers
Answer:
I would choose the option D.
Explanation:
The inheritable structural changes that occur in certain plants over time, enabling them to be best fit in dry habitats, are examples of adaptations.
Answer:
Adaptation
Explanation:
Adaptations are necessary part of reproduction and existence
When bad conditions or un healthier condition comes to occur plants increase their resistance and create new resistance to adapt the situation.Option D is correct
homestyler in the regulation of an organism's internal environment to maintain conditions suitable for life
Answers
The question is incomplete as the nature of question is not clear, however the correct question is as follows:
homeostasis is the regulation of an organism's internal environment to maintain conditions suitable for life. homeostasis requires....
Answer:
The correct answer is - Homeostasis requires balances between many factors in the body such as the body temperature, chemical and physical balance, pH etc
Explanation:
Homeostasis is the ability of an organism to regulate or maintain its internal environment or conditions according the condition require for survival of organism or cell.
It is the characteristic feature of living organisms and life to adapt or maintain the equilibrium of cell's chemical, physical environment.
Thus, the correct answer is - Homeostasis requires balances between many factors in the body such as the body temperature, chemical and physical balance, pH etc
he most common source of osteomyelitis is an infection that migrates via the bloodstream. direct invasion from a fracture. surgical contamination. a joint prosthesis.
Answers
The correct answer is A. An infection that migrates via the bloodstream
Explanation:
Osteomyelitis is a serious condition, in which an infection develops in bones. This causes symptoms such as pain, inflammation, and can lead to the spread of the infection to other tissues or bone necrosis if it is not treated. In terms of causes, this condition develops when the bone is exposed to bacteria or similar that causes the infection, this can occur during surgeries or fractures. However, the most common source of infection is via bloodstream this means the bacteria or germ is in the blood and it enters the bone through the bloodstream. Also, once the bacteria or germ is in the bone it causes the infection.