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OpenStudy (anonymous):

What is the leading source of water pollution? A. Heavy use of fertilization B. Heavy use of irrigation C. Heavy use of pesticides D. Runoff from agricultural lands

OpenStudy (anonymous):

i think da answer is d buh im not sure

OpenStudy (anonymous):

When it hasn't rained in several weeks, I use sprinklers to water my lawn. What is this practice called? A. Fertilization B. Chemical application C. Precipitation D. Irrigation

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