Need plz answer
the earth formed roughly 4.5 billion years ago, yet evidence of life dates back to about 3.5 billion years ago. which one is not a possible hypothesis of how life on earth arose?
a) from rna to dna.
b) from the formation of metabolic networks.
c) from inorganic molecules to organic molecules.
d) from cells that were delivered by meteorites from outer space.
Answers: 3
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Answers: 2
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As a small change in a person's dna can cause a genetic disorder
Answers: 3
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Astudent is looking through a microscope at some cells of an onion root tip. many of these cells are undergoing division since the root tip grows quickly and requires more cells. which cell most recently underwent metaphase? w x y z
Answers: 1
Need plz answer
the earth formed roughly 4.5 billion years ago, yet evidence of life d...
the earth formed roughly 4.5 billion years ago, yet evidence of life d...
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