__________ ardome-shapestructures composeof layers of early cells ansediments.
A) Meteorites
B) Pumice stones
C) Stromatolites
D) Rhyolites
E) Ignimbrites
Correct Answer:
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Q31: A hypothesis of thorigin of molecules of
Q32: Which of thfollowing scientists demonstratefor thfirst timthat
Q33: Which of thfollowing elements may havbeen precursors
Q34: According to a widely acceptehypothesis, clay may
Q35: Which of thfollowing was NOT includein Miller's
Q37: Which of thfollowing statements may apply to
Q38: Stromatolites appeareabout _ years ago.
A)6,000
B)1,000,000
C)250,000,000,000
D)3,500,000,000
E)50,000,000,000
Q39: Therarseveral evidences that RNA may have
A)carried genetic
Q40: Thprimitivtemplatthat was thought to busefor forming chains
Q41: Thearliest animals appeareabout _ years ago.
A)2,700,000,000
B)570,000,000
C)36,000,000,000
D)750,000,000
E)15,000,000
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