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Describe why this is a controlled experiment. A. Only one variable is changed B. two variables are changed C. the plants grew tall in the control group D. the plants grew tall i…

Describe why this is a controlled experiment. A. Only one variable is changed B. two variables are changed C. the plants grew tall in the control group D. the plants grew tall i…
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Describe why this is a controlled experiment.

A. Only one variable is changed
B. two variables are changed
C. the plants grew tall in the control group
D. the plants grew tall in the experiment

User Vakio
by
8.0k points

1 Answer

3 votes
A Only one variable changed
User Twalters
by
8.2k points
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