How do scientists measure the age of rocks at mid-ocean ridges?
A) radioactive dating methods
B) comparison of rock samples on mountain ranges
C) fossil stratification and the principle of horizontality
D) magnetic polarity measurements
Answer: D
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Which of the following is NOT a property of water?
a. It expands when it freezes. b. It contracts when it freezes. c. It can store large amounts of heat without changing its own temperature. d. It can adhere to a solid surface. e. It can exist as a solid, liquid or gas. BLOOM'S TAXONOMY:
One approach to decreasing birth rates is to increase the education of
A) children. B) contraceptives. C) women. D) men. E) college graduates.
What are the characteristics of natural salt (NaCl) deposits?
A. deposited in layers B. can flow to form domes C. very soluble in water D. All of these are characteristics of natural salt deposits.
What type of air mass would be responsible for hot, muggy summer weather in the eastern half of
the United States? a. mP b. mT c. cP d. cT e. cA