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NNADVOKAT [17]
3 years ago
5

Which best describes an experiment?

Biology
1 answer:
AleksAgata [21]3 years ago
8 0
A: In a lab a scientist measures the height of roses that received different fertilizers.

An experiment must include variables. The other three are just measurements, but since the scientist is varying the types of fertilizers used, this better describes an experiment. It is also done in a controlled environment (in a lab) which helps to eliminate other uncertainties.
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