Why do you think the water used for power generation comes mainly
from surface water instead of groundwater? What will be an ideal response?
Surface water is more easily accessible. Power plants are often located next to surface
water reservoirs in the western U.S. or near large rivers in the eastern U.S., because they
can easily pump out the water.
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If the greenhouse effect did not exist, what would happen to earth?
A) Earth would be too cold to support life as we know it. B) Earth would be much too hot to support life as we know it. C) Earth would be too wet to support life as we know it. D) Our environment would be greatly improved. E) It would make no difference.
What are two alternatives to hard stabilization, and what potential problems are associated with each?
What will be an ideal response?
What arrives at Earth at a constant amount of about 1372 watts per square meter?
A. kinetic energy B. insolation C. longwave radiation D. ultraviolet light E. solar wind
A species that is naturally rare or that has been depleted to dangerous levels is known, according to the Endangered Species Act, as a(n) ________ species.
A. Endangered B. Unusual C. At risk D. Vulnerable E. Threatened