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Answer:
what are the answers to select? or do you just say them
Explanation:
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Answer:
Surface tension is, the surface where the water meets the air, water molecules cling even more tightly to each other.
I think the correct answer would be the child quietly sits until the timer goes off. It is ineffective because the child would be used to this process and would come to a time where he will not get something from it.Also, it would make a child feel isolated and alone which would affect hi self-esteem in a long run.