The layer in the atmosphere where friction is important in determining wind speed:
A) thermosphere.
B) ionosphere.
C) planetary boundary layer.
D) hydrosphere.
Answer: C
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The general term used to describe cave deposits is ________
A) cave pearls B) dripstone C) bicarbonate D) dissolution features
Increased levels of carbon dioxide in the atmosphere have been implicated in which of the following?
a. increased global warming b. increased seawater acidity c. decreased seawater temperatures d. both increased global warming and increased seawater acidity e. both increased global warming and decreased seawater temperatures
What are the motives for establishing marine protected areas and reserves? How do marine sanctuaries differ from reserves?
What will be an ideal response?
The distribution of warm pools can best be explained by warm
A) westward flowing water accumulating on the western side of landmasses. B) eastward flowing water accumulating on the western side of landmasses. C) eastward flowing water accumulating on the eastern side of landmasses. D) westward flowing water accumulating on the eastern side of landmasses.