A subsistence economy is one that ________
A) meets its needs without working for wages and purchasing necessities
B) meets its needs by overfishing lakes and rivers
C) purchases goods and services from others
D) meets is needs while causing ecosystem destruction
E) purchases resources for immediate use
Answer: A
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The environmental lapse rate typically decreases at night because
A) the surface absorbs more longwave radiation than the air aloft B) the surface absorbs less longwave radiation than the air aloft C) the surface cools more slowly than the air aloft D) the surface cools more rapidly than the air aloft
Which biome occurs at high elevations above the treeline, even at lower latitudes?
A) temperate rain forest B) arctic and alpine tundra C) boreal and montane forest D) midlatitude broadleaf and mixed forest
Earth turns on its axis about ________.
A. 4 degrees in 1 hour B. 1 degree in 4 minutes C. 4 degrees in 1 minute D. 30 degrees in 1 hour E. 15 degrees in 1 minute
The region of relatively unstable air that extends from the surface to the base of an inversion is referred to as the____________________
Fill in the blank with correct word.