How old are the oldest rocks now found on Earth's surface?
A) 0.5 billion years
B) 4.0 billion years
C) 2.5 billion years
D) 4.5 billion years
Correct Answer:
Verified
Q26: Continental crust is _ oceanic crust.
A)less dense
Q27: When did biology's Big Bang (evolutionary explosion)occur?
A)approximately
Q28: The Mohorovičić discontinuity coincides with the _
Q29: Earth's atmosphere has been oxygen-rich for _
Q30: The first evidence of erosion by water
Q32: Stony meteorites are similar in composition to
Q33: The group of meteorites that is similar
Q34: A _ aims to predict the complex
Q35: Which of the following statements about convection
Q36: The daily rotation of Earth causes the
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