Which statement about controlled experiments is true?

a. In a controlled experiment, all variables must be kept the same.

b. Controlled experiments cannot be conducted on living things.

c. A controlled experiment only tests one variable at a time.

d. Scientists always utilize controlled experiments.

Question

Kaden Mcdonald

15 April, 23:38

+2

Answers (1)

Know the Answer?

Elaine Haley · Answer 1

Elaine Haley 16 April, 03:22

0

The correct answer is A.

Which statement about controlled experiments is true?a. In a controlled experiment, all variables must be kept the same.b. Controlled experiments cannot be conducted on living things.c. A controlled experiment only tests one variable at a time.d. Scientists always utilize controlled experiments.