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A(n) ______________ experiment is designed well, with proper controls and variables, and is carried out using accurate and reliable methods.
select one:
a. proper
b. valid
c. easy
d. accurate

Respuesta :

Answer:

I believe the answer is accurate

Explanation:

Temprist

Answer:

The answer is actually valid, tried it on USATestPrep (which I assume is the site you used as it is the same question with the same answer choices). I know this post is old, but this answer is here to help anyone trying to find the answer to this question.

Explanation:

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