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Since 1945 pesticide use in the United Stares has increased

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Director
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Joined: 20 Apr 2005
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Since 1945 pesticide use in the United Stares has increased [#permalink]

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New post 26 May 2005, 12:11
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11. Since 1945 pesticide use in the United Stares has increased tenfold despite an overall stability in number of acres planted. During the same period, crop loss from insects has approximately doubled, from about seven to thirteen percent.

Which one of the following, if true, contributes most to explaining the paradoxical findings above?

(A) Extension agents employed by state governments to advise farmers have recently advocated using smaller amounts of pesticide, though in past years they promoted heavy pesticide use.
(B) While pesticide-resistant strains of insects were developing, crop rotation, which for insects disrupts a stable food supply, was gradually abandoned because farmers’ eligibility to receive government crop subsidies depended on continuing to plant the same crop.
(C) Since 1970 the pesticides most lethal to people have generally been replaced by less-lethal chemicals that are equally effective against insects and have a less-damaging effect on the fish in streams fed by water that runs off from treated agricultural fields.
(D) Because farmers’ decisions about how much land to plant are governed by their expectations about crop prices at harvest time, the amount of pesticide they apply also depends in part on expected crop prices.
(E) Although some pesticides can be removed from foodstuffs through washing, others are taken up into the edible portion of plants, and consumers have begun to boycott foods containing pesticides that cannot be washed off.

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Re: Since 1945 pesticide use in the United Stares has increased [#permalink]

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New post 14 Aug 2013, 13:08
Increased Pesticide Use [Though Number of Acres is same ] -AND - Crop Loss has doubled

My answer: B

Farmers are continuing to plant same kind of crops, Insects are getting resistant and still eating said crops with out dying, Farmers are spraying more pesti stuff, doesnt do much to insects and they keep eating. Explains paradox

I know this is from way back when. Someone else answer this question plzzzz :oops: :oops: :oops:

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Re: Since 1945 pesticide use in the United Stares has increased   [#permalink] 14 Aug 2013, 13:08
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Since 1945 pesticide use in the United Stares has increased

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