The basic idea of ________ is that the Earth's surface is divided into a few large plates that move slowly relative to one another.
A. mantle plumes
B. isostasy
C. sea floor spreading
D. continental drift
E. plate tectonics
Answer: E
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A) 1 B) 2 C) 3 D) 4
Which of the following is closely associated with the smell of rotting fish?
A) NH3 B) CH3NH2 C) (CH3)2NH D) (CH3)3N
Dust storms ____
a. ?are only a concern in areas near deserts b. ?affect vegetation and agriculture, but have little direct effect on humans c. ?can cause effects on a global scale d. ?are always caused by weather patterns and are not affected by human activity e. ?are prevented by agricultural planting in sensitive areas
Hydrothermal vents are located near ____
A) passive continental margins B) zones of rapid seafloor spreading C) the edges of the deep sea trenches D) the margins of the Hawai'ian chain