Pangaea formed during the Paleozoic and broke up in the Mesozoic. Of all the former continental unions that existed in Paleozoic time, only that of
A) Australia and Antarctica has survived to the present time.
B) Africa and India has survived to the present time.
C) North and South America has survived to the present time.
D) Europe and Asia has survived to the present time.
Answer: D
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Indicate whether the statement is true or false
Two identical gliders slide toward each other on an air track. One moves at 1 m/s and the other at 2 m/s. They collide, stick, and moves at
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When the bottom string is pulled slowly in the heavy-ball-and-strings demonstration (Figure 4.8 in your book), tension
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