1.A theory is a hypothesis that has been scientifically confirmed. True or false. PLEASE HELP NEED RIGHT NOW!!!!!!! 2.A controlled experiment is one in which two experiments are: Identical in all but one

1.A theory is a hypothesis that has been scientifically confirmed.

True or false.
PLEASE HELP NEED RIGHT NOW!!!!!!!
2.A controlled experiment is one in which two experiments are:
Identical in all but one factor
Identical in all but two or three factors
Identical in every respect

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