This is the boundary for most of the atmosphere's weather

A) tropopause.
B) mesopause.
C) stratopause.
D) the outer edge of the thermosphere.
E) an elevation of approximately 25,000 feet.


A

Environmental & Atmospheric Sciences

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What is a main hazard of this type of volcano?

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Entrenchment of a channel occurs because

A) a decrease in stream gradient occurs. B) a change in the bed load size-distribution occurs. C) the river flows from consolidated rock into a region composed of loose sediments. D) rejuvenation occurs due to uplift. E) isostatic downwarping of the crust occurs.

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Each day past the winter solstice the noon Sun is a little higher above the southern horizon

a. True b. False

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Which type of earthquake wave most closely resembles sound waves?

a. P-waves b. S-waves c. Love waves d. Rayleigh waves e. permanent waves

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