DDT was banned from use in the U.S> because it was determined that DDT was responsible for interfering with the reproduction of birds by

DDT was banned from use in the U.S> because it was determined that DDT was responsible for interfering with the reproduction of birds by



a. weakening the shells of their eggs
b. causing only female offspring to be produced
c. preventing fertilization of the female
d. none of the above


Answer: a. weakening the shells of their eggs


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