Scientists were monitoring a meteor headed toward earth. it moved off course, but some pieces of rock entered the earth’s atmosphere. which atmospheric layer protected the earth against the danger of the rocks?
the troposphere
the stratosphere
the mesosphere
the thermosphere
Answers: 3
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Connection compare and contrast genetic engineering to the process of natural selection. select all statements that are true.
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Scientists were monitoring a meteor headed toward earth. it moved off course, but some pieces of roc...
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