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I think that it is "It reinforces the idea that without equality in the US, the idea of a free society is a joke."
Answer: B. communicate
Explanation: Scientists hope that after experimenting, other scientists look at their data and <u>communicate</u> with one another.
Answer:
C
Explanation:
Most of the text is about how teens get distracted by rewards.
the answer is D. hope it helps.
