this artist's illustration shows
earth shortly after the moon
formed. earth was hot and...
this artist's illustration shows
earth shortly after the moon
formed. earth was hot and vol-
canic, and contained no liquid
water. the moon was much
closer to earth than it is today.
over time, earth's surface began
to cool, forming solid land.
could life have existed on
earth
at the time shown in the illus-
tration? why, or why not?
Answers: 3
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