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ARC-Easy / MDSA_2010_8_22 / Excess nitrogen fertilizers sometimes drain into waterways that flow into the…

Problem

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question

Excess nitrogen fertilizers sometimes drain into waterways that flow into the Chesapeake Bay. This nitrogen may cause algae blooms, which reduce dissolved oxygen in the water. How does nitrogen negatively affect the Chesapeake Bay?

choices

  • fish births increase
  • fish populations decrease
  • sediment on the bottom of the bay decreases
  • the rate of water runoff into the bay increases

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