When was the supercontinent of Pangaea assembled?
A) approximately 100 million years ago
B) approximately 1.0 billion years ago
C) approximately 250 million years ago
D) approximately 2.5 billion years ago
Correct Answer:
Verified
Q32: What drives plate tectonics?
A)magnetic reversals
B)mantle convection
C)solar energy
D)volcanism
Q33: Which of the following is commonly used
Q34: On a map of the seafloor,the boundaries
Q35: Isochrons on the seafloor are roughly _
Q36: What ocean used to lie between Africa
Q38: The North American Plate is bounded by
Q39: Which of the following can be used
Q40: What two scientists related the positive and
Q41: The Appalachian Mountains formed from an ancient
Q42: The convergence of the North American Plate
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