_________ Sources of Water Pollution Are Relatively Easy to Monitor

question 19

Multiple Choice

_________ sources of water pollution are relatively easy to monitor and regulate, while _____________ sources of water pollution are difficult to monitor and clean up.

• A) Domestic; industrial
• B) Primary; tertiary pollutant
• C) Nonpoint; point
• D) Tertiary pollutant; primary
• E) Point; nonpoint

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