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462

Q:

The measures to control water pollution are in the essay

  • 1
    Dirty water should not be allowed to mix in rivers and reservoirs
  • 2
    should be released into the water source
  • 3
    Chemical fertilizers and pesticides should not be used excessively in agricultural work
  • 4
    all
  • Show Answer
  • Workspace

Answer : 4. "all"

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