Earth became internally differentiated,with a metallic core distinct from the rocky mantle,during the ________.
A) Archean Eon
B) Hadean Eon
C) Proterozoic Eon
D) Paleozoic Era
Correct Answer:
Verified
Q3: Stromatolites are layered structures produced by the
Q4: Banded-iron formations were abundantly produced during the
Q5: A greenhouse climate on Earth was associated
Q8: A fold-thrust belt is _.
A)a low-lying region
Q9: Toward the end of the Archean Eon,_.
A)the
Q10: The Hadean was a time in Earth
Q11: A shield is
A) a low-lying region where
Q11: Through geologic time,continents have drifted over the
Q13: Archean greenstones are formed from
A) basalts produced
Q18: Which gas found in today's atmosphere was
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