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Alik [6]
3 years ago
15

How should you test a hypothesis?

Biology
1 answer:
agasfer [191]3 years ago
5 0

Answer:

controlled experiment

Explanation:

you need to do it more than once. and you don't need to answer questions

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A(n) _____ is a possible explanation or an answer to a question that can be tested.
ValentinkaMS [17]
Im pretty sure its hypothesis

3 0
3 years ago
Suppose the femur bone of an animal has 1,000 atoms of carbon-14 when the animal dies. How many atoms of carbon 14 will be prese
shtirl [24]

Answer:

After 6000 years, approximately 500 atoms of carbon-14 will be left in the femur bone of an animal which had 1000 atoms of carbon-14 when the animal died.

Explanation:

The half-life of a radioactive isotope of an element is the time taken for half the atoms present in a given amount of the element to undergo decay or disintegration. For example, the half-life of carbon-14 isotope is 5730 years. This means that, if there are 100 atoms of carbon-14 present in a given sample of a material, in the next 5730 years, approximately, 50 atoms of carbon-14 will be left in the material.

Since the half-life of radioactive isotopes are constant, these radioactive isotopes are used in the determining the ages of ancient life-forms as well as rocks.

In the given example, after 6000 years, approximately 500 atoms of carbon-14 will be left in the femur bone of an animal which had 1000 atoms of carbon-14 when the animal died.

8 0
3 years ago
Materials are transported within a single celled organism by the
Bess [88]
You may be referring to the cytoplasm here. That is the "filling" within the cell. But if you are looking for specific transport of proteins, the ER folds proteins and then transport vesicles move them to the Golgi.
5 0
2 years ago
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The goal of _____ is to use cells and tissues treat human issued an injury
galina1969 [7]
Therapeutic cloning Is the answer you’re looking for
8 0
2 years ago
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Consider the following five infectious diseases: Ebola hemorrhagic fever avian influenza SARS West Nile encephalitis mad cow dis
arsen [322]

Answer:

All these are emerging infectious diseases.

Explanation:

The emerging infectious diseases refer to the infections, which have appeared freshly within a population or those whose occurrence or geographic range is enhancing briskly or is threatening to upsurge in the coming time. The emerging infections can be a result of:  

1. Known agents, which have dispersed to novel geographic locations or new populations.  

2. Previously unknown or undetermined infectious agents.  

3. Previously known agents whose function in particular diseases was not determined previously.  

According to WHO, infectious diseases are emerging at a rate, which has not been noticed before. Since the 1970s, many infectious diseases have been discovered like Ebola, SARS, avian influenza, mad cow disease, and West Nile encephalitis.  

With the individuals traveling much more to far greater distances in comparison to the past, encountering with wild animals, and living in more densely populated regions has caused the emerging infectious diseases to spread briskly and is resulting in global epidemics, which is a major worry.  

4 0
3 years ago
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