Pangaea
A) was centered in the tropics.
B) began to break apart about 20 million years ago.
C) was not affected by plate tectonics.
D) is not supported by scientific evidence.
E) all of the above
Question 2
Plate tectonics
A) moves continents at the rate of about 1 meter per day.
B) is the cause of most short-term climate changes.
C) cannot explain why today's equatorial regions can have evidence of past glaciation.
D) can alter the climates of continents by moving them north or south.
E) all of the above
The 2012 U.S. presidential campaign rang with “get tough” cries to end Iran’s nuclear capacity and c
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