Why is strong heating of the ground by the Sun associated with thunderstorms?
A) reduces the relative humidity
B) increases the pressure gradient
C) leads to greater instability
D) reduces the dew point
E) increases the wind speed
C
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Surface waves are useful for investigating Earth's interior because they
A. reflect at the boundaries between Earth's layers. B. cast shadows indicating Earth's layers. C. refract at the boundaries between Earth's layers. D. none of the above
Can you identify from the two maps’ regions where POTET demand is higher than PRECIP supply? Compare the two maps and describe these regions.
What will be an ideal response?
This is the least important reason why Los Angeles has such a substantial smog problem
A) noncompliance with environmental regulations B) location in a basin bounded by mountains C) a subsidence inversion in warmer months D) a large number of cloudless days
Saudi Arabia, Venezuela, Iran, Iraq, Kuwait, United Arab Emirates, and the Russian Federation control approximately what percentage of the world's proved reserves in petroleum?
A. 50% B. 89% C. 73% D. 33%