Which of the following terms describes large exposures of very old, crystalline basement rocks?
A) orogens
B) platforms
C) shields
Correct Answer:
Verified
Q21: Q22: Q23: I. formation of the Main Boundary fault Q24: I. formation of the Main Boundary fault Q25: Which of the following tectonic provinces formed Q27: During the metabolic process of photosynthesis, organisms Q28: In the universal tree of life, which Q29: The oldest chemofossils are _ Ma. Q30: Increasing oxygen concentrations in the Earth's atmosphere Q31: The Cambrian explosion is an example of![]()
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II.
II.
A) 3700
B)
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