I believe the answer you are looking for is true
I would personally say true, as to make an experiment valid, only one variable has to be tested
C, wingnut design. Would appreciate brainliest!
Answer:
sure but what we gon do there be bored lol?
Explanation:
2 - 2 = 0
Answer:
in a situation where one is faced with two equally difficult alternatives
Explanation:
hopes that helps
