When scientists use their five senses to learn new information, it is called:
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a. drawing a conclusion.
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b. making an observation.
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c. forming a hypothesis.
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d. the peer review process.

b) making an observation

Explanation:

The scientists are not drawing conclusions because they just learned new info. They are not forming a hypothesis because they are not predicting anything. And they have not used any peers. This is all coming from their senses and making an observation.

hope this helps :)

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added