Verified Answer :

I believe it could be because color effects peoples moods.

saadhussain514

Correct answer choice is:

C. The question can be tested by a systematic procedure.

Explanation:

A scientific question is a problem that may point to a hypothesis and support us in solving the cause for any research. A good scientific question has several aspects. It should have any true results, should be testable.

A systematic process is usually intimately connected with the decisive study. In common, the purpose of a systematic process is viewed as a mechanism of control directed at decreasing the number and austerity of errors, omissions, and failures due to both human or technological functions associated.

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