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Physics, 20.11.2021 14:00 gracieorman4

What is a control group? (A) A group that changes the variable
(B) The group that applies the variable
(C) The group that tests the variable
(D) A test group where the variable is not changed or applied

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What is a control group? (A) A group that changes the variable
(B) The group that applies th...

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