Question 4 (2 points)
Separately sodium and chlorine are dangerous, but together they create
a
b
ООО
a poison
baking soda
salt
C
d
nothing
Answers
Answer:
salt is the correct answer
Related Questions
Q. 1 Look at the forearms of the following animals. They all have the same bones, but they have evolved over time to possibly fulfill a different function or purpose. Use one of the organisms below to give an example of how its limb differs in function from the human forearm.
Q. 2 Look at the comparative embryology diagram in the PowerPoint. Do all of these organisms share a common ancestor? Choose two organisms that you would infer share a more recent common ancestor. Choose two organisms that you think share an ancestor from much further back in time…a very ancient ancestor. Explain your selections.
Answers
1) The term forearm is used in anatomy to distinguish it from the arm, which is most commonly used to denote the entire upper limb appendage but technically only refers to the upper arm area, whereas the lower "arm" is termed the forearm. Note that the Bat's forearm is used to flap it's wings. This is significantly different from how the human forearm is used.
2) i) Yes, they all share a common ancestor.
ii ) All of the creatures you mentioned, including humans, turtles, bats, and whales, had a common ancestor in the animal kingdom. They are all vertebrates, which means they have a backbone and an internal skeleton, and they are all members of the superphylum Deuterostomia. The evolutionary path that led to each of these species branching from a shared ancestor, however, would be distinct.
For example, bats and whales have a common ancestor that is distinct from humans and turtles.
The three-domain concept established by Carl Woese in 1990 is the tree of life that most taxonomists now accept.
The initial, most ancient, and most fundamental division of the tree of life, according to this, is into three domains: Archaea, Bacteria, and Eukarya. Archaea are ancient single-celled creatures that were formerly thought to live solely in harsh environments such as salt lakes, but are now known to be exceedingly ubiquitous.
However, it turns out that global shared ancestry has never been thoroughly investigated. Instead, the scientific community has universally accepted it to be accurate.
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natural selection occurs at the organizational level to
Answers
Answer:
B) population
Explanation:
Acts on phenotypes on the individual level but evolution is at the population level. Microevolution is evolution at the population level
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Which of the following are assumptions that scientists make about the
natural world?
Check all that apply.
A. Measurability
B. Predictability
C. Causality
D. Regularity
Answers
Answer: Measurability, predictability, causality, regularity all off these
Why does having a genetically diverse population make a species more likely
to survive a change to the environment?
A. They are more likely to have harmful mutations.
B. They are more likely to become an invasive species.
C. They are more likely to reach carrying capacity.
D. They are more likely to have some individuals adapted for survival.
Answers
Answer:
D
Explanation:
When a population is genetically diverse there is a higher probability for some individuals in that population to survive during harsh conditions such as drought due to their highly resistant genes.
What brain chemical is known as the cuddle of love hormone?.
Answers
Answer:
Oxytocin
Explanation:
Oxytocin is a hormone secreted by the posterior lobe of the pituitary gland, a pea-sized structure at the base of the brain. It is sometimes known as the "cuddle hormone" or the "love hormone," because it is released when people snuggle up or bond socially, according to Texas Medical Center.
fulvestrant-palbociclib vs continuing ai-palbociclib upon detection of circulating esr1 mutation in hr her2– metastatic breast cancer patients: results of pada-1,
Answers
The study mentioned in your question, called PADA-1, compares the effectiveness of fulvestrant-palbociclib combination therapy to continuing aromatase inhibitor (AI)-palbociclib therapy in HR HER2- metastatic breast cancer patients who have been detected with circulating ESR1 mutation. The results of the study provide insights into the outcomes of these treatment options.
About MutationMutation are changes that occur in genetic material both at the gene level and at the chromosomal level. Mutations at the gene level are called point mutations, while mutations at the chromosomal level are usually called aberrations. Genetic mutations are usually caused by errors in the replication of genetic material during cell division or during meiosis. The cause can be from radiation, chemicals (mutagens), or viruses. Individuals who experience mutations are called Mutants. Materials that cause mutations are called mutagens. Where mutations occur in sex cells (gametes) and body cells (somatic).
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Which listing of geological periods is in the correct order, from oldest to most recent? (A) Cambrian, Devonian, Permian, Cretaceous (B) Devonian, Cambrian, Permian, Cretaceous (C) Cambrian, Permian, Devonian, Cretaceous (D) Permian, Cambrian, Cretaceous, Devonian
Answers
the Cambrian, Devonian, Permian, and Cretaceous—is the appropriate Order which is option A
Cambrian
The Paleozoic Era, as well as the Phanerozoic Eon, had its beginning geological periods during the Cambrian Period.Devonian
Following the conclusion of the Silurian Permian, the Devonian is a Paleozoic geologic epoch and system that lasts for 60.3 million years.Permian
The Paleozoic Era's last stage, the Permian, spanned from 299 to 251 million years ago*.Cretaceous.
A geological time period known as the Cretaceous lasted from from 145 to 66 million years ago (Mya). It is the Mesozoic Era's third and last epoch.To Learn more about Geological periods, Click the links.
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What are the advantages of classification?
Answers
Answer:
It makes the study of different kinds of organisms much easier. It tells us about the inter-relationship among the various organisms. It helps to understand the evolution of organisms. It helps environmentalists to develop new methods of conservation of plants and animals.
Suppose fish were not able to use the countercurrent exchange system in their gills and instead the system was a concurrent exchange. A concurrent exchange in when both the flow of blood and water occur in the same direction. What would be the most likely effect
Answers
If fish were not able to use the countercurrent exchange system in their gills and instead relied on a concurrent exchange system, the most likely effect would be a decrease in the efficiency of gas exchange.
In the countercurrent exchange system, the flow of water and blood in the gills runs in opposite directions, which maximizes the amount of oxygen that can be extracted from the water. This system ensures that the blood leaving the gills has a higher oxygen concentration than the water entering the gills. In a concurrent exchange system, the flow of water and blood runs in the same direction, which means that the oxygen concentration of the blood leaving the gills would be similar to that of the water entering the gills. As a result, less oxygen would be extracted from the water, leading to a decrease in the efficiency of gas exchange.
In summary, if fish were not able to use the countercurrent exchange system in their gills and instead relied on a concurrent exchange system, the efficiency of gas exchange would likely decrease, which could have negative effects on the survival and health of the fish.
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Correct question is:
Suppose fish were not able to use the countercurrent exchange system in their gills and instead the system was a concurrent exchange. A concurrent exchange in when both the flow of blood and water occur in the same direction. What would be the most likely effect?
Extrapyramidal side effects are characterized by a triad of symptoms, including what?
Answers
Extrapyramidal side effects are characterized by a triad of symptoms, including bradykinesia, muscle rigidity and tremor.
Extrapyramidal side effects are a group of symptoms that occur in people taking antipsychotic medication extrapyramidal symptoms are also called drug-induced movement disorder. The three signs of Extrapyramidal symptoms are inability to sit still , involuntary muscle contraction, tremors, stiff muscles , and involuntary facial movements.The side effects includes involuntary or uncontrollable movement , tremors , muscle contraction.
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Which unit of measurement best matches the size of microorganisms
Answers
Answer:
bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
Explanation:bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
Parents with the genotypes AO and AB have a child. What are all the possible blood types of the child?
Answers
Answer:A positive, B positive
Explanation:
In the deep south, pigweed has become resistant to herbicides which is making it harder to grow cotton. The weed will ruin tractors and requires manual labor to remove. The ppc could have a horizontal axis labeled as ______
Answers
In the given scenario, where pigweed has developed resistance to herbicides and poses challenges to cotton production in the deep south, the horizontal axis of the Production Possibilities Curve (PPC) could be labeled as "Labor-Intensive Techniques vs. Mechanization."
This labeling reflects the trade-off between employing labor-intensive techniques, such as manual weeding to control pigweed, and relying on mechanization, represented by the use of tractors and herbicides. The PPC illustrates the different combinations of labor-intensive techniques and mechanization that can be utilized in cotton production.
On one end of the spectrum, allocating more resources towards labor-intensive techniques involves manual labor for removing pigweed, which requires additional human effort and potentially higher costs. This option is depicted at one extreme of the horizontal axis.
On the other end, increasing mechanization implies a greater reliance on machinery, such as tractors and herbicides, to control pigweed efficiently. However, the resistant weed's ability to damage tractors introduces limitations and risks associated with this approach. This alternative is represented at the opposite extreme of the horizontal axis.
The PPC showcases the various trade-offs between labor-intensive techniques and mechanization, aiming to find an optimal balance that maximizes cotton production while effectively managing the challenges posed by pigweed resistance. It helps decision-makers visualize the available choices and make informed decisions regarding resource allocation and management strategies in response to the pigweed issue.
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Which of the following best describes a density-independent factor that controls population size?
A Competition for resources like food and water
B Infectious disease transmission
C Occurrences of droughts and flooding
D Reduced availability of habitat
Answers
Occurrences of droughts and flooding best describes a density-independent factor that controls population size.
Density-independent limiting factors often take the form of natural disasters, severe weather, and pollution. for example if we take an example of disaster by fire in the forest . It will most likely to kill the deer's. So , an individual chance of deer that will die in the fore is not dependent on the number of deer's present in the forest .
Thus , density-independent factors include food or nutrient limitation, pollutants in the environment, and climate extremes, including seasonal cycles such as monsoons. Wildfire is nonliving, and most density-independent limiting factors fall in this category.
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How might a foreign policy decision, such as the placement of an economic sanction against another country, affect U.S. citizens?
Answers
Impact on the U.S. economy: Sanctions can impact the economy of the country that they are imposed on, but they can also affect the U.S. economy. For instance, if the sanctioned country is a significant trading partner with the U.S., then the sanctions could lead to decreased trade and economic activity between the two countries, which could harm American businesses and consumers.
Impact on prices: Sanctions can impact prices of goods and services in the U.S. If the U.S. imposes sanctions on a country that is a major exporter of a particular commodity, such as oil or natural gas, then the price of that commodity could increase. This, in turn, could lead to increased prices for American consumers and businesses that rely on that commodity.
Impact on jobs: Sanctions can lead to job losses in the U.S. If the U.S. imposes sanctions on a country that is a major trading partner, then American companies that do business with that country could suffer. This could lead to layoffs or even the closure of those companies, which would result in job losses for American workers.
Impact on national security: Sanctions can also impact national security. If the sanctioned country is a potential threat to the U.S., then the sanctions could be a way to weaken that country's economy and military. However, the sanctioned country may retaliate, which could lead to increased tension and conflict between the two countries.
In summary, a foreign policy decision like the placement of an economic sanction against another country can have significant impacts on U.S. citizens, including their economic well-being, job security, and even their safety.
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Question 7 of 10
Fossils of a species of bear are found in layer 5. Which layer is most likely to
have organisms that lived at the same time as the bear species?
8-
5
www
3
2-
A. Layer 8
B. Layer 2
C. Layer 1
13
Answers
Answer:
A is the answer ok
Explanation:
Layer 8 must be that
what is MKS system?
Answers
Answer:
MKS system is the system of measurement in which length is measured in meter(m), mass in kilogram(kg) and time in second(s)
How are molecules moving?
Answers
Answer:
Due to the closer proximity of the particles, collisions between them happen more often than in gases even if particles are moving quickly in all directions.
What is the name for the discs (inside of the chloroplast) where the Light Dependent Reaction takes place?
1. Chlorophyll
2. Thylakoid
3. Chloroplast
4. Stroma
Answers
Thylakoid is the name for the discs (inside of the chloroplast) where the Light Dependent Reaction takes place.
Light dependent reaction occurs in the disc within the chloroplast called thylakoid .Thylakoids contain chlorophyll, the molecule essential for photosynthesis. In the thylakoid membrane, there are two photosystems (I and II).They from the network of disc called that are arranged in a stack called grana. These structure plays crucial role in converting sunlight into chemical energy .
Grana are the specialized structure that have specific arrangement in plants . As they are connected by stromal lamellae, extensions that run from one granum, through the stroma, into a neighboring granum.
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Fossil remains of Glossopteris (an extinct plant with large leaves) have been discovered in India and Australia. When they were living, all the Glossopteris were located together on land, but now the Glossopteris fossils are separated by an ocean. What could explain how these fossils got so far apart?
Answers
Answer:
Due to splitting of lands.
Explanation:
These Glossopteris fossils got so far apart from each other because of the splitting of super continent about 175 million years ago. Before 175 million years, India and Australia are attached to each other and these Glossopteris plants are present on these lands but with the passage of time, the lands of India and Australia split and go far away from each other so due to splitting of lands, these fossils got so far apart from each other.
g how is atp produced in mammalian cells under aerobic conditions?1. photophosphorylation 2. oxidative phosphorylation 3. substrate-level phosphorylation 4. phosphorolysis i. 2, 3 and 4 ii. 2 and 3 iii. 1 iv. 1 and 2 v.
Answers
Atp produced in mammalian cells under aerobic conditions of option 2 and 3 which are oxidative phosphorylation and substrate-level phosphorylation
Electrons from NADH and FADH2 combine with O2 during oxidative phosphorylation, and the energy released from these oxidation/reduction reactions is used to drive the synthesis of ATP from ADP. Substrate-level phosphorylation is a metabolic reaction that produces ATP or GTP by directly transferring a phosphate group from a substrate to ADP or GDP. Transferring energy from a higher energy product (whether or not a phosphate group is attached) to a lower energy product.
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How are proto-stars formed?
Answers
Answer:
Inside a nebula, there are areas where gravity causes dust and gas to “clump” together. As these “clumps” gather more and more mass their gravitational pull increases, forcing more atoms together. This process is known as accretion, and the result is a protostar.Answer:
What tranquillity33 said
Explanation:
3. What are the consequences of felling of trees?
Answers
Answer:
The loss of trees and other vegetation can cause climate change, desertification, soil erosion, fewer crops, flooding, increased greenhouse gases in the atmosphere, and a host of problems for indigenous people.
Explanation:
Name two objects or products you use that likely
contain micro-organisms.
Answers
Answer:
Cheese
Bread
Pickles
Olives
Females of many insect species, including honeybee queens, can store gametes shed by their mating partners in _______. A. their nests B. the abdominal tract C. the uterus D. the spermatheca
Answers
In the spermatheca, females of many insect species, including honeybee queens, can store gametes secreted by their sex partners.
What is Spermatheca ?The female insect's spermatheca is an ectodermal structure that receives, stores, and releases sperm for egg fertilization. According to the species, spermathecae differ in size and shape.
They often come from the median oviduct, which is located close or on the genital chamber. A secretory duct called the ductus seminalis connects the spermathecal sac, also known as the receptaculum seminis, to the genital chamber, where the sperm are released.The number of spermathecas varies among taxa, however the majority of insects only have one. Depending on the species of insect, the spermatheca has different morphologies. The spermatheca is composed of the spermathecal gland, duct, and reservoir. Both of these fluids feed the sperm. Both the spermathecal glands and the male accessory glands secrete substances that feed the sperm.So lastly we can say that, t females of many insect species, including honeybee queens, can store gametes shed by their mating partners in - the spermatheca.
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Proteins that react specifically with the chemical structures in the antigen that induced them are called.
Answers
Answer:
Proteins that react specifically with the chemical structures in the antigen that induced them are called. Antibodies.
The genotype of the F1 generation of flies in Bottle C must be A. NN B. there is more than one genotype possible c. nn D. Nn
Answers
The genotype of the F1 generation of flies in Bottle C can be determined by analyzing the traits of the parent generation. The correct answer is D) Nn.
Assuming that Bottle C represents a cross between two homozygous parent flies, one with the dominant trait (N) and the other with the recessive trait (n), the F1 generation will inherit one allele from each parent and will have a heterozygous genotype of Nn.
Therefore, the correct answer is option D, Nn. This is because the dominant allele (N) will mask the recessive allele (n), resulting in the expression of the dominant trait.
However, the recessive trait will still be present in the genotype of the F1 generation.
It is important to note that without additional information on the traits and genotype of the parent generation, it is not possible to determine the genotype of the F1 generation with certainty.
Therefore, option B, there is more than one genotype possible, cannot be ruled out. However, assuming a simple Mendelian inheritance pattern, option D, Nn, is the most likely genotype for the F1 generation in Bottle C.
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The genotype of the F1 generation of flies in Bottle C must be Nn. So the correct option is D.
The genotype refers to the genetic makeup of an individual, which consists of two alleles, one inherited from each parent. In the case of the F1 generation of flies in Bottle C, we know that the parents had the genotypes NN and nn, respectively.
Since the NN parent contributed one N allele and the nn parent contributed one n allele, the F1 generation would have the genotype Nn, where N represents the dominant allele for normal wings and n represents the recessive allele for vestigial wings.
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please help asap............
Answers
2.purple
3.white
since purple is dominant all the big P’s are going to take over even if there a little p and the only time the white will come out is when there’s no big P’s
Which two factors will increase the rate of a stream’s flow?
Answers
Answer:
Flood Erosion and Deposition: As flood waters rise, the slope of the stream as it flows to its base level (e.g., the ocean or a lake) increases. Also, as stream depth increases, the hydraulic radius increases thereby making the stream more free flowing. Both of these factors lead to an increase in stream velocity.
Explanation:
Flood erosion and deposition, as flood waters rise, the stream's slope rises as it descends to its base level, which may be an ocean or a lake.
What is the stream’s flow?Additionally, when stream depth rises, the hydraulic radius rises as well, increasing the stream's ability to flow freely, these two elements cause the stream velocity to rise.
The volume of water flowing into a stream channel from the watershed directly affects the stream's flow. The weather has an impact on it; it rises during downpours and falls during dry spells.
The force of gravity, which pushes water downhill, is what gives moving river water its energy. A river will flow more quickly and with greater energy at a higher slope.
Therefore, flood erosion and deposition factors will increase the rate of a stream’s flow.
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Compare and contrast the sporophyte generation of mosses and
ferns. Your reply could take into consideration vascular tissue,
dominant form, diploid or haploid, and what happens to it as the
life cycle ?
Answers
The sporophyte generation of mosses and ferns is the stage in the life cycle of these plants where a diploid multicellular organism is formed, usually from a haploid spore. The dominant form of the sporophyte in both mosses and ferns is a stalked structure that grows from the ground.
In mosses, the sporophyte has no vascular tissue, meaning it is unable to transport water and other nutrients effectively. Ferns, however, do have vascular tissue in the sporophyte stage, which aids in transporting water and other nutrients more efficiently.
Additionally, the sporophyte of ferns is the dominant form, while the sporophyte of mosses is less well developed.
Finally, the sporophyte of mosses and ferns will eventually produce spores, haploid cells, which will then develop into gametophytes, which in turn produce gametes. These gametes will then fuse and form a zygote, which will develop into a sporophyte.
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