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What had to happen on earth before life

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Reference no: EM131573634

A) What might comets and/or meteors have had that might have "seeded" life in the oceans? (They did NOT bring whole organisms like bacteria).

B) What had to happen on Earth before life could move out of the oceans? (the crust of the Earth had long since have cooled off).

Reference no: EM131573634

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