Question

You are doing a control experiment which
A) proceeds slowly enough that a scientist can record the results
B) may include experimental groups and control groups tested in parallel
C) is repeated many times to make sure the results are accurate
D) proceed slowly enough that a scientist can test predictions​

Answer 1

Answer:

I am doing

....is repeated many times to make sure the results are accurate

Explanation:

Please mark me as brainliest

Answer 2

Answer:

the answer is (c)

Explanation:

is repeated many times to make sure the results are accurate