Answer:
what passage and what are the choices theres no enough info
Explanation:
Um, name of article would be very appreciated, but B or D?
Answer:
Example: If you want to explore the effect of salt on a plant growth, the control group would be a set of plants not exposed to salt, while the experimental group would recive the salt treament, so you answer is control group.
Answer:
He had to work at an early age
Explanation:
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