During the Archean, how long was the length of a day on Earth?
A) 36 hours
B) 10 hours
C) The same as the length of a day on modern Earth
D) The same as in the present but with no sunlight, i.e., all darkness
E) The same as in the present but there no darkness, i.e., all daylight
Correct Answer:
Verified
Q2: Proterozoic layered igneous intrusions are the world's
Q3: Archean and Proterozoic greenstone belts formed in
Q4: Earth differentiated during the _.
A)Hadean
B)Archean
C)Paleoproterozoic
D)Mesoproterozoic
E)Neoproterozoic
Q5: Organisms are composed of simple monomers.
Q6: Time divisions in the Precambrian are based
Q8: The prevailing model for the formation of
Q9: The oldest well-documented stromatolites occur in the
Q10: The exposed part of the North American
Q11: All known Proterozoic animals were soft-bodied.
Q12: Stromatolites are the product of organic activity.
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