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Any good garden compost may appropriately be used for soil drainage an

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Any good garden compost may appropriately be used for soil drainage an [#permalink]

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New post 19 Mar 2018, 10:23
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Any good garden compost may appropriately be used for soil drainage and fertility. The best compost is 40 to 60 percent organic matter and is dark brown in color. However, compost that emits a strong ammonia smell should not be used for drainage and fertility, for that smell means that the organic matter has not sufficiently decomposed.

Which one of the following is most strongly supported by the information above?

(A) Compost that is 80 percent organic matter has probably not decomposed sufficiently.
(B) If compost is less than 40 percent organic matter and is not dark brown in color, then it will make soil Jess fertile and will worsen soil drainage.
(C) If compost is 50 percent organic matter and that organic matter is sufficiently decomposed, then the compost is good.
(D) In the best garden compost, the organic matter is completely decomposed.
(E) Compost that is dark brown in color and emits a strong ammonia smell is not good garden compost.

Source: LSAT
[Reveal] Spoiler: OA

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Re: Any good garden compost may appropriately be used for soil drainage an [#permalink]

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New post 19 Mar 2018, 10:33
Akela wrote:
Any good garden compost may appropriately be used for soil drainage and fertility. The best compost is 40 to 60 percent organic matter and is dark brown in color. However, compost that emits a strong ammonia smell should not be used for drainage and fertility, for that smell means that the organic matter has not sufficiently decomposed.

Which one of the following is most strongly supported by the information above?

(A) Compost that is 80 percent organic matter has probably not decomposed sufficiently.
(B) If compost is less than 40 percent organic matter and is not dark brown in color, then it will make soil Jess fertile and will worsen soil drainage.
(C) If compost is 50 percent organic matter and that organic matter is sufficiently decomposed, then the compost is good.
(D) In the best garden compost, the organic matter is completely decomposed.
(E) Compost that is dark brown in color and emits a strong ammonia smell is not good garden compost.

Source: LSAT


We are given facts about garden compost.
- Good garden compost is useful for soil purposes..
- The best compost is 40 to 60 percent organic matter and is dark brown in color.
- However, and irrespective of it's colorcompost that emits a strong ammonia smell should not be used for drainage and fertility, for that smell means that the organic matter has not sufficiently decomposed.

Hence we need to avoid ammonia content in compost is what we need to look for in answer choices if possible

What could be a conclusion or statement that is strongly supported by above info?

(A) Compost that is 80 percent organic matter has probably not decomposed sufficiently. We have no info regarding organic matter content %
and how much it is decomposed. Hence incorrect.

(B) If compost is less than 40 percent organic matter and is not dark brown in color, then it will make soil Jess fertile and will worsen soil drainage. Question gives no info about compost with < 40% organic matter. This may be true but not strongly supported by info.
(C) If compost is 50 percent organic matter and that organic matter is sufficiently decomposed, then the compost is good. This may be true but not strongly supported by info. We are informed how to identify bad compost and not good compost by info.
(D) In the best garden compost, the organic matter is completely decomposed. Completely. THe question stem talks about "sufficiently decomposed. Hence incorrect.
(E) Compost that is dark brown in color and emits a strong ammonia smell is not good garden compost. Perfect! This is explicitly mentioned in the info. Hence correct.

Please give kudos if you liked the explanation!

Best,
Gladi
Re: Any good garden compost may appropriately be used for soil drainage an   [#permalink] 19 Mar 2018, 10:33
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Any good garden compost may appropriately be used for soil drainage an

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