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Chemistry, 03.08.2019 08:00 huntertaleiya

Chlorinated hydrocarbon pesticides, such as ddt, were introduced during world war ii to control insects in agricultural crops. all of the following statements about chlorinated hydrocarbons are true except: they persist for a long time in the environment. they are safe for all organisms except insect pests. they are inexpensive and easy to apply. they boost crop yields by killing pests.

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