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user100 [1]
3 years ago
6

What was the independent variable in Zachary second trial

Biology
1 answer:
Delicious77 [7]3 years ago
3 0

Answer & Explanation:

There are often not more than one or two independent variables tested in an experiment, otherwise it is difficult to determine the influence of each upon the final results. There may be several dependent variables, because manipulating the independent variable can influence many different things.

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