[ Vocabulary ]
A scientific test or procedure that is carried out under controlled conditions to answer a scientific question.
A. experiment
B. observation
C. investigation
D. field study
Select your answer:
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Other quiz:
Verb To Be › ViewChoose the correct option.
A. Is he tall?
B. He is tall?
Grammar › View
We _______ get to the meeting on time yesterday. Our boss wasn’t happy with us.
A. could
B. couldn’t
How to use : Read the question carefully, then select one of the answers button.