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1 vote
In which type of research is one or more variable deliberately changes?

A) a study case
B) a survey
C) a observation
D) an experiment

User Ram Vennam
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6.0k points

1 Answer

1 vote

Answer:

The answer is D) experiment

Step-by-step explanation:

the only answer on here that changes multiple times is an experiment.

User IMSoP
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