The largest known mantle plume is located beneath ____
A) Antarctica
B) Africa
C) Hawai'i
D) Yellowstone National Park
B
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How can historical records be used to analyze past climates?
What will be an ideal response?
Increasing the humidity
A) increases the density because humid air feels 'thick' B) increases the density because winds are usually weaker when the humidity is high C) decreases the density because humid air usually sinks D) decreases the density because the molecular weight of water is less than the molecular weight of the other major constituents of air
Carbon-based fuels from lithospheric reservoirs ________
A) have been slowly sequestered over many millions of years B) will be lost before the end of the decade C) are readily lost from Earth's surface in the absence of humans D) are formed from the deposition, partial decay, and compression of inorganic matter E) cannot be lost to the atmosphere by human processes once stabilized on Earth's surface
The presence of a thin film of water on the surface of sand grains results in ________ angle of repose
A) a higher B) a lower C) no change in the