What are the only things that can change in a valid experiment? A. Control variable and Range B. Independent variable and Hypoth
esis C. Control variable and Dependent variable D. Dependent and Independent Variable
1 answer:
Answer:
B. Independent variable and Hypothesis
Explanation:
The independent variable can be changed by the scientist
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I think it 700 million years because I took the same question and that’s what I put.
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