A superior mirage occurs when the air near the ground is much warmer than the air above, and objects not only appear to be lower than they really are, but also inverted
a. True
b. False
ANSWER: False
Environmental & Atmospheric Sciences
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Two planets in space gravitationally attract each other. If the mass of one planet is doubled, with no change in distance between them, gravitational force is
A. four times as much. B. one-quarter. C. half as much. D. twice as much.
Environmental & Atmospheric Sciences
Gasification and liquefaction techniques
A. refine petroleum to gasoline. B. transform natural gas to liquid gasoline. C. clean sulfur from petroleum. D. convert coal to more versatile fuel.
Environmental & Atmospheric Sciences
_______________ clay is most involved with swelling soils
Fill in the blank with correct word.
Environmental & Atmospheric Sciences
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
Environmental & Atmospheric Sciences