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blsea [12.9K]
3 years ago
10

In science, a theory:________.a. encompasses many hypotheses. b. cannot be tested. c. is more narrow in scope than a hypothesis.

d. is tested by an experiment. e. is held to be an absolutely correct answer to a question.
Biology
1 answer:
Ugo [173]3 years ago
8 0

Answer:

is A

Explanation:

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To carry out their life processes, people need _____.
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Hydrogen is the simplest element it has an atomic number of 1. There are three hydrogen isotopes: H1, H2, and H3. Explain how th
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All isotopes of hydrogen will always contain one proton, as a change in the amount of protons will change the substance. Assuming all isotopes aren’t ions and therefore don’t have a charge, then each of these isotopes has one electron. The only difference between them is the amount of neutrons to account for the different atomic masses.

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A homologous pair of chromosomes.

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