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Biology, 27.01.2020 21:31 anggar20

Which of the following is an unanswered question about life on earth?
a) how long has life existed on earth?
b) what were early forms of life like?
c) did early life arise spontaneously or did it come from space?
d) how does evolution occur?

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Answers: 3

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Which of the following is an unanswered question about life on earth?
a) how long has life ex...

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