Which of the following is the predominant process that forms the metallic minerals in and around black smokers?
A) Turbidity currents
B) Melting icebergs
C) Precipitation
D) Suspension settling
E) Undersea streams
C
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The famed Leaning Tower of Pisa doesn't tip over because its center of gravity is
A. displaced from its center. B. above support base. C. relatively low. D. stabilized by its structure.
Relative humidity gives a measurement of the amount of water in the air, and is usually measured in grams per cubic meter
Indicate whether the statement is true or false
Which country has the largest proven reserves of natural gas?
A. Iran B. Qatar C. the United States D. India E. Saudi Arabia
An organism capable of synthesizing its own food and inorganic substances using sunlight or chemical energy is known as a(n)
A) heterotroph. B) autotroph. C) primary consumer. D) secondary consumer.