The main reason that it's important to test only one variable at a time is so that

A. scientists can have many hypotheses tested at once.

B. quantitative data can be recorded.

C. qualitative data can be recorded.

D. scientists can easily tell which variable caused the results.

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9 December, 06:14

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Raegan Leon · Answer 1

D. scientists can easily tell which variable caused the results.

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The main reason that it's important to test only one variable at a time is so thatA. scientists can have many hypotheses tested at once.B. quantitative data can be recorded.C. qualitative data can be recorded.D. scientists can easily tell which variable caused the results.