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Slash-and-burn agriculture involves burning several acres of forest

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Slash-and-burn agriculture involves burning several acres of forest [#permalink]

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New post 05 Oct 2017, 00:33
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Difficulty:

  35% (medium)

Question Stats:

79% (01:05) correct 21% (01:37) wrong based on 52 sessions

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Slash-and-burn agriculture involves burning several acres of forest, leaving vegetable ash that provides ample fertilizer for three or four years of bountiful crops. On the cleared land nutrients leach out of the soil. However, and the land becomes too poor to support agriculture. New land is then cleared by burning, and the process starts again. Since most farming in the tropics uses this method. Forests in this region will eventually be perma-nently eradicated.

The argument depends on the assumption that

(A) forests in the tropics do not regenerate well enough to restore themselves once they have been cleared by the slash-and-burn method

(B) some other methods of agriculture are not as destructive to the environment in tropical regions as the slash-and-burn method is

(C) forests in the tropics are naturally deficient in nutrients that are needed to support the growth of paints that are not native to those regions

(D) slash-and-burn agriculture is particularly suitable for farming in tropical areas

(E) slash-and burn agriculture produces a more bountiful crop than do other agriculture methods for the first year

Source: LSAT
[Reveal] Spoiler: OA

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Kudos [?]: 885 [0], given: 54

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Re: Slash-and-burn agriculture involves burning several acres of forest [#permalink]

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New post 05 Oct 2017, 11:14
(A) forests in the tropics do not regenerate well enough to restore themselves once they have been cleared by the slash-and-burn method author says that due to this method, the forrest will be eradicated. The author is clearly assuming that the forest is not going to grow back.

(B) some other methods of agriculture are not as destructive to the environment in tropical regions as the slash-and-burn method is we do not care about other methods here

(C) forests in the tropics are naturally deficient in nutrients that are needed to support the growth of paints that are not native to those regions author is not assuming this because argument says otherwise

(D) slash-and-burn agriculture is particularly suitable for farming in tropical areas suitability is not mentioned so we cannot assume this

(E) slash-and burn agriculture produces a more bountiful crop than do other agriculture methods for the first year we don't know anything about other methods so this is out

Kudos [?]: 12 [0], given: 63

Re: Slash-and-burn agriculture involves burning several acres of forest   [#permalink] 05 Oct 2017, 11:14
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Slash-and-burn agriculture involves burning several acres of forest

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