Considering the nature of geologic processes on Earth, what does this imply about the distribution of mineral deposits?
A. They are unequally distributed
B. The distribution is random
C. They are equally distributed
D. The distribution is a function of the distance from the equator.
Answer: A
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During the light-dependent reactions of photosynthesis,
A. glucose and oxygen are released. B. carbon dioxide is used to make glucose. C. glucose is released. D. oxygen is released.
A conductor differs from an insulator in that a conductor has
A) more electrons than protons. B) more protons than electrons. C) more energy than an insulator. D) faster moving molecules. E) none of the above
Earth experiences ice ages partly because there are variations in Earth's
A) greenhouse gas levels. B) sea level. C) seismic activity. D) tilt and orbit.
Lavas erupting from composite cones are generally ________-rich, making them very viscous
A) magnesium B) iron C) aluminum D) silica