Biology, 23.11.2020 16:10 allieliquori

A controlled situation in which the researcher manipulates one variable to discover its effect on
another variable, while holding all other conditions
constant is called an?
A) Experiment
C) Observation
B) Hypothesis
D) Thesis

please answer i have a 60 average in this class

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A controlled situation in which the researcher manipulates one variable to discover its effect on