Which of the following methods can be used to protect an orchard from damaging low temperatures during a radiation inversion?
A. house heaters
B. covering the trees with tarps
C. draining the orchard
D. wind machines
Answer: D
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This is the most important process of cloud formation:
A) sublimation of glaciers. B) atmospheric cooling. C) the absorption of infrared radiation by water vapor. D) advection fog.
In cities of less-developed countries, stream pollution is often ____.
A. not a problem because there are fewer industries B. caused by washing clothes in rivers C. caused by dumping 80-90% of raw sewage directly into rivers D. less severe compared to more-developed countries E. unaffected by cultural eutrophication
____________________ are relatively straight features cutting across a mosaic
Fill in the blank(s) with correct word
One major difference affecting the scope of environmental issues of the past and present is the
A. Development of new fields such as environmental science B. Extremely fast transmission of information through the Internet C. Current ability to alter the natural world through technology D. Relatively new emergence of environmentalists E. Historical ignorance of the interconnected nature of environmental issues