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

Asked: March 6, 20232023-03-06T08:17:10+05:30 2023-03-06T08:17:10+05:30In: Other

Hi, I have a question and I hope anyone could answer it:

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

A. quantitative data can be recorded.

B. qualitative data can be recorded.

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

D. scientists can have many hypotheses tested at once.

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