Which of the following is a recent human impact on the nitrogen cycle?
A) the Haber-Bosch process
B) nitrogen mining
C) introducing legumes into plant rotation
D) biological nitrogen fixation
E) bacterial nitrification
A
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The leading nonpoint source of water pollution is
A. municipal landfills. B. runoff from city streets and storm sewers. C. agriculture. D. industrial wastes. E. leaks from offshore oil wells.
Of the following tools of the geographer, which is most commonly used?
A) computer simulations B) surveys C) lab experiments D) maps
Instructions: Choose one answer from each pair of selections. ?Wind blowing from the water onto the land is referred to as an ONSHORE | OFFSHORE flow
Which of the following will contribute to water conservation?
A) watering lawns at night, using low-flow faucets, and landscaping with native plants B) planting non-native wetland plants for landscaping C) washing dishes by hand D) watering lawns during peak sunlight hours, when plants need water most E) using aerial sprays for crop irrigation