onmental The Fate of Organic Pesticides in Soll-CHMI 2041EL 12-In LEL 12 - Intro

Question

onmental The Fate of Organic Pesticides in Soll-CHMI 2041EL 12-In LEL 12 - Introductory Environmental Chemistry (2... nt Discussions Dropbox Quizzes Classlist Grades ime Left:0:38:06 Adewale Rasheed: Attempt 1 Which of the following statement is the correct one? a) Pesticides are usually applied in a form of much diluted solutions and it is well known that they are degradable biotically and abiotically. Thus the use of pesticides will not have any long-term environmental impact. b) The persistence of chlorinated hydrocarbons depends on the diversity and population of microorganisms, temperature, good aeration, but not on the chemical property of these compounds. c) Herbicides are used to target the unwanted plants. Therefore, they do not produce any negative effects to animal and human health ) The use of DDT to control disease-carrying insects allowed many lives to be saved, but the abuse of this chemical has caused bioaccumulation of this chemical and widespread p ollution. 3 4 5

Explanation / Answer

Answer is (d) The use of DDT to control disease carrying insects allowed many lives to be saved, but the abuse of this chemical has caused bioaccumulation of this chemical and widespread pollution.

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