Crysyalmarie Crysyalmarie

17-06-2020
Biology

contestada

A controlled experiment allows the scientist to isolate and test
a a conclusion,
b. one variable
c. several variables.
d. a mass of information.

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17-06-2020

Answer:

D. one variable.

Explanation:

An experiment is considered controlled or fair if variables that may affect the outcome are kept the same or controlled and only the independent variable is changed.

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