The concentration of air pollution is ________ wind speed
A) proportional to
B) inversely proportional to
C) unaffected by
D) always half of the
Answer: B
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When the upper surface of the open ocean freezes, the feature produced is called
A) sea ice, composed mostly of fresh water. B) sea ice, composed mostly of salty water. C) ice calving, composed mostly of fresh water. D) ice calving, composed mostly of salty water.
In general, the average residence time will increase if
A. the size of the store and the flux both decrease. B. the size of the store decreases and the flux increases. C. the size of the store and the flux both increase. D. the size of the store increases and the flux decreases.
What is an earthquake epicenter?
A. The location in the subsurface where the earthquake originates B. The location on the ground surface directly above the focus C. The location directly below the focus D. The farthest location where the earthquake is felt
Continental ice sheets smooth and round the terrain while mountain glaciations tend to ________
A) leave the terrain undisturbed B) polish the terrain C) steepen slopes and increase local relief D) have similar effects E) build mountains in the lower latitudes