Radioactive decay in the Earth, especially in the Earth's crust, creates a tremendous amount of
A. pressure.
B. heat.
Answer: B
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The rainfall of the tropical savanna climate is most likely to be ____
a. concentrated in the low-sun period b. unreliable over the year c. over 100" a year d. largely orographic in origin e. roughly constant year-round
At Lima, Peru (latitude 12°S), on which of the following days is the sun overhead?
A. March 10 B. February 4 C. August 15 D. December 22
________ are fragments of preexisting materials that have been broken down through the processes of weathering
A) Sediments B) Crystals C) Fibers D) Sedimentary rocks
Which of the following statements explains why a cP air mass becomes warmer at the surface after it moves from the east into British Columbia?
A. The air sinks, is compressed, and warms. B. The sun heats the air. C. The ocean warms the air. D. Friction with the ground warms the air.