The Paleoproterozoic buildup of atmospheric oxygen resulted in
A) resumed deposition of banded-iron formations.
B) deposition of limestones with isotopically heavy carbon.
C) oxidation of vast amounts of organic carbon.
D) climatic change that brought on "snowball Earth."
Correct Answer:
Verified
Q20: The Neoproterozoic radiation of large, conspicuous animals
Q21: The Proterozoic orogeny that built mountains along
Q22: Africa was assembled in the Pan-African orogeny
Q23: _ is a continental craton that was
Q24: The 1.85-billion-year-old Sudbury impact crater contains
A) spherical,
Q26: The great Proterozoic supercontinent, which was split
Q27: In the Rodinia of 800 million years
Q28: The Proterozoic Keweenawan basalts
A) covered much of
Q29: Cap carbonates resting directly on all three
Q30: The Paleoproterozoic shift at about 1.85 billion
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