What percent of all commercial energy used in the United States is wasted?
A. 0%.
B. 18%
C. 43%
D. 84%
E. 100%
Answer: D
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Meeting current and future basic resource needs without compromising the ability of future generations to meet their basic needs is considered a(n)
A. natural income. B. trade-offs. C. scientific solutions. D. environmentally sustainable society. E. natural capital degradation.
The largest current producer of natural gas is
A) Russia
B) Canada
C) United States
D) Iran
E) Qatar
Although Japan was successfully westernized in terms of science and technology by the end of the nineteenth century, that country was never able to defeat a Western power in war
Indicate whether the statement is true or false.
Sympatric speciation occurs where populations are geographically isolated and gene flow between the populations does not take place.
a. true b. false