Explain the giant-impact hypothesis.

answer:

the giant-impact hypothesis, sometimes called the big splash, or the theia impact suggests that the moon formed out of the debris left over from a collision between earth and an astronomical body the size of mars, approximately 4.5 billion years ago, in the hadean eon; about 20 to 100 million years after the solar

explanation:

the  frequency of a wave represents  the number of wavelengths that pass a specific point per second. the unit for  frequency  is hertz (hz).

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