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Arte-miy333 [17]
3 years ago
12

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

Biology
1 answer:
Anna11 [10]3 years ago
7 0
Is this a multiple choice question or...??

If not, I'd say, that its simple as scientists can easily decipher which variable caused the situations result. And thats because you may have one manipulated variable to be able to know the responding variable.
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