Seudónimo Seudónimo

06-11-2016
Biology

contestada

The first organisms to appear on Earth did not need?
a.
oxygen.
c.
cells.
b.
nitrogen.
d.
chemicals.

Respuesta :

SandraV SandraV

06-11-2016

d is the answer I think

Answer Link

Аноним Аноним

06-11-2016

D is the correct answer

Answer Link

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