Answers NC-Math 4 CR Observational Studies and ExperimentsQuestion 9

9

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Observational Studies and Experiments

Question 9 • NC-Math 4 CR

Which of the following represent controls in the experiment? Check all that apply.

Answer

A

Ages of the subjects

B

Number of hours of sun exposure

C

Amount of sunscreen applied

D

Intervals of sunscreen application

E

Outside temperature

F

Number of hours spent in the water

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