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SVEN [57.7K]
3 years ago
5

Which statement is an example of a scientific theory?

Biology
1 answer:
Alchen [17]3 years ago
6 0

Answer:

B

Explanation:

B is referring to cell theory, which basically states that all living things are made of cells and all cells come from other cells withe the exception of the first life forms.

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What are the 2 ways that you can do to enhance the<br> resolvingpower on the microscope?
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Explanation:

The resolving power of the microscope is dependent upon the objective lens. It can be measured by the ability of the lens to differentiate between the two lines or points on the specimen under observation. The more the resolving power the smaller will be the distance between the two lines or points that can be distinguished.

The following are the two ways that can be used to enhance the resolving power on the microscope:

Using a lens that has a higher aperture.

Decreasing the amount of light being entered into the microscope that means using light of less wavelength.

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DNA replication needs to occur because existing cells divide to produce new cells. Each cell needs a full instruction manual to operate properly. So the DNA needs to be copied before cell division so that each new cell receives a full set of instructions!

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