Which of the following statements applies to satellite images taken of clouds at night?
A. They use reflected visible light.
B. They use reflected infrared light.
C. They use emitted infrared light.
D. They use microwave radiation.
Answer: C
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Which of the following is the likely direction of movement of an upper-level trough that shows retrograde motion?
A. east B. north C. west D. south
The boreal forest biome is
A) virtually absent in the Southern Hemisphere because there is little land at the appropriate latitudes and elevations for this climate. B) relatively minor in geographic extent compared to the rain forest and deciduous forest biomes. C) only a small source of storage of carbon. D) home to a great biodiversity of organisms compared with most other biomes.
Pyramid building in both Egypt and Central America is an example of:
A) cultural convergence B) parallel innovation C) cultural divergence D) acculturation
Bioremediation has been particularly effective in marine ecosystems in the clean-up of ________
A) heavy metals B) hydrocarbons C) nitrates D) pesticides E) thermal effluents