The decrease in NOx emissions in the U.S. from 1970 to 2014 can be partially attributed to which of the following?
A) a decrease in the amount of nitrogen in the atmosphere
B) the use of catalytic converters in motor vehicles
C) a decrease in vehicle miles traveled
D) the use of scrubbers in motor vehicles
E) a decrease in the amount of energy consumed
Answer: B
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An animal such as the Florida panther, which requires a very large home range, could benefit from ____________________ that connect natural areas.
Fill in the blank(s) with the appropriate word(s).
An increase in the environmental lapse rate of an air layer results in the layer becoming:
A) heavier. B) less stable. C) an air parcel. D) cooler. E) more stable.
El Niño is a time of ____
a. warmer than normal ocean water in the Pacific Ocean west of South America b. colder than normal ocean water in the Pacific Ocean west of South America c. strong upwelling off the west coast of South America d. abnormally fast ocean currents worldwide e. stronger than normal currents carrying warm water towards Western Europe
The discharge from a nonpoint source of pollution is
A. Usually less polluting than a point source B. Less damaging than other sources of pollution C. Generally easier to regulate than a point source D. Highly seasonal in quantity E. Usually constant throughout the year