Wildfires that race through the treetops are known as ________.
A. hypothermal fires
B. slash fires
C. crown fires
D. bough fires
Answer: C
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Which of the following describes the saturation vapour pressure over water when the air temperature is below freezing?
A. equal to the saturation vapour pressure over ice B. greater than the saturation vapour pressure over ice C. equal to zero D. less than the saturation vapour pressure over ice
Using a globe and your atlas or other world map, locate three cities that are located at approximately the 23rd parallel in the Northern Hemisphere; note their location in degrees (and minutes, if your map is detailed enough to estimate minutes). Use the globe first, then refer to the atlas maps to better determine specific latitudes. Be sure and list their country names as well.
- City and Country Name
- Longitude (degrees and minutes, if possible)
Clouds play an important role in the earth's energy budget because they:
A) absorb longwave radiation and re-radiate it towards the surface. B) cool the air around them. C) reflect solar energy. D) reflect the earth's infrared energy. E) Both A and C
Assume that man's recorded history can be stretched back to 4600 years before the present. This is approximately what fraction of geologic time?
A) one hundred-thousandth B) one millionth C) one billionth D) one ten-thousandth