In order for a human population to be sustainable, its actual numbers must be ________
A) above its ecological footprint
B) below its ecological footprint
C) above the carrying capacity
D) above its biocapacity
E) below the carrying capacity
E
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In which location is primary succession most likely to occur?
A. rock exposed by a retreating glacier B. an abandoned farm C. a forest that had been clear-cut D. an existing pond E. forest that has been burned
The Environmental Protection Agency is to pollution as the Departments of the Interior and Agriculture are to
A. Oceanic monitoring and research B. Urban parks C. Natural resources D. Environmental litigation E. Energy policy
During the 1900s, the United States saw a transition from coal to natural gas furnaces, and today, few homes are directly heated with coal. All of the following are benefits of this transition except ________
A) a switch to a fuel that is much more abundant B) less truck traffic bringing fuel to homes C) a decrease in the release of greenhouse gases D) a decrease in acid precipitation
A small-scale map:
a. shows small areas of Earth's surface. b. includes greater detail. c. has a small denominator in its representative fraction. d. all of these e. none of these