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Which group of pesticides,after being applied,would persist in an area the longest?
Q4: Spraying alfalfa and potato fields with _
Q15: How much pollution can the oceans tolerate?
Q18: Which chemical is NOT capable of destroying
Q29: _ is the increase in total cost
Q33: By what percentage did the urban population
Q36: The prevention principle involves the development of
Q37: The declining economic health of cities often
Q39: A(n)_ is a site where wastes are
Q40: What is one cleanup method for controlling
Q113: What is one function of stratospheric ozone? <br>A) it