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andreev551 [17]
3 years ago
14

Can someone help me please id really appreciate it

Biology
1 answer:
Veronika [31]3 years ago
5 0

Explanation:

The experimenter alters the independent variable with the hopes of collecting data about how the dependent variable changes in response.Other variables have to be controlled so that any changes of the dependent variable are attributed to the known independent variable.

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