Which of the following related to the promise of solar energy is incorrect?
A) The Earth receives 100,000 terawatts of solar energy per hour.
B) The energy produced by fossil fuels in the U.S. in a year is equivalent to 35 minutes of insolation.
C) The technology for solar energy is not yet available for widespread use.
D) Periods of cloudiness and night are current drawbacks to available solar technology.
Ans: C) The technology for solar energy is not yet available for widespread use.
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Which action least reflects an ecocentric worldview?
A. protecting the earth's biodiversity B. controlling human population growth C. creating better pollution treatment technologies D. increasing our dependence on renewable resources E. supporting a service-based economy
When using composting piles, it is important to _____.
A. fertilize the compost pile B. mix or rotate them and avoid adding hazardous materials C. dispose of the compost on a regular basis D. avoid adding food products or similar items E. avoid adding weeds and other plants
Which of the following factors, responsible for large-scale temperature changes presently being experienced, has changed decisively due to human activity?
a. stratospheric volcanic sulfate aerosols b. climate variability c. solar radiation d. greenhouse gases e. snow-albedo effect
Orographic uplift:
A) rarely leads to clouds forming above the top of the hill or mountain. B) creates clouds that usually have the same height, regardless of time or place. C) provides equal amounts of precipitation on both sides of a mountain range. D) can create cumulus clouds.