________ describes the surface of a basalt flow with a jagged, rubble surface.
A. Aa
B. Pahoehoe
C. Haleakala
D. Poy
E. Pele's hair
Answer: A
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Glucose is normally found in
A. living cells. B. plants. C. vegetables. D. all of the above
Which of these is the result of an external control practiced more by a charter group than a competing ethnic minority group when a neighborhood is going through ethnic change?
A. support B. preservation C. defense D. tipping point
When a group of people receive additional education and use additional technology, the population growth rate will normally
a. stay the same. b. increase. c. decrease. d. remain the same unless religion changes.
Of the 230,000 known species that inhabit the marine environment, about how many live in or on the ocean floor?
A) 145,000 B) 165,000 C) 185,000 D) 205,000 E) 225,000