What is the primary nuclear reaction that takes place within the sun?
A. Nucleation
B. Fusion
C. Fission
D. Solar wind
E. Radiation
Answer: B
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Scientists who study climate change are about evenly divided on whether or not the Earth's atmosphere is getting warmer
Indicate whether the statement is true or false.
The Colorado Low forms (or redevelops) on the eastern side of the Canadian Rockies in Alberta, then rapidly skirts across the northern tier of U.S. states
a. True b. False
The maquiladoras of northern Mexico best illustrate the industrial location principle of ________.
A. comparative advantage B. agglomeration C. deglomeration D. Just-in-time (JIT) manufacturing E. flexible production systems
Horns and cirques are typical features in
A) a till plain deposited by continental glaciers. B) a mountain range that was sculpted by alpine glaciers. C) unsorted glacial deposits left by continental glaciers. D) loess deposits that have been heavily sculpted by wind action