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Covering almost 40% of the South American continent, the Amazonian

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Senior Manager
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Covering almost 40% of the South American continent, the Amazonian  [#permalink]

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New post 30 Sep 2018, 07:17
3
00:00
A
B
C
D
E

Difficulty:

  45% (medium)

Question Stats:

63% (01:52) correct 37% (01:27) wrong based on 57 sessions

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Covering almost 40% of the South American continent, the Amazonian Rainforests are vital for all the countries in the region, helping stabilize their climate, maintaining their water cycle and protecting them from flood, drought and erosion, acting as a source of medicine and food.

(A) helping stabilize their climate, maintaining their water cycle and protecting them from flood, drought and erosion, acting as a source of medicine and food
(B) helping stabilize their climate, maintaining their water cycle, protecting them from flood, drought and erosion, and acting as a source of medicine and food
(C) helping stabilize their climate, maintaining their water cycle and protecting them from flood, drought, erosion, and acting as a source of medicine and of food
(D) by stabilizing their climate, maintaining their water cycle and protecting them from flood, drought and erosion, as well as by acting as a source of medicine and food
(E) by stabilizing their climate, maintaining their water cycle and protecting them from flood, drought and from erosion, and as a source of medicine and food

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Covering almost 40% of the South American continent, the Amazonian  [#permalink]

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New post 30 Sep 2018, 07:23
Harshgmat wrote:
Covering almost 40% of the South American continent, the Amazonian Rainforests are vital for all the countries in the region, helping stabilize their climate, maintaining their water cycle and protecting them from flood, drought and erosion, acting as a source of medicine and food.

(A) helping stabilize their climate, maintaining their water cycle and protecting them from flood, drought and erosion, acting as a source of medicine and food
(B) helping stabilize their climate, maintaining their water cycle, protecting them from flood, drought and erosion, and acting as a source of medicine and food
(C) helping stabilize their climate, maintaining their water cycle and protecting them from flood, drought, erosion, and acting as a source of medicine and of food
(D) by stabilizing their climate, maintaining their water cycle and protecting them from flood, drought and erosion, as well as by acting as a source of medicine and food
(E) by stabilizing their climate, maintaining their water cycle and protecting them from flood, drought and from erosion, and as a source of medicine and food


+1 for B

Two lists here:
(1) Helping, maintaining, protecting and acting
(2) flood, drought and erosion

Parallelism is maintained only in B. All other options make an error by using 'and' before protecting.
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Re: Covering almost 40% of the South American continent, the Amazonian  [#permalink]

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New post 30 Sep 2018, 07:28
IMO B
List is parallel and verb-ing after comma rightly tells more about the preceding clause( the Amazonian Rainforests are vital for all the countries in the region).

Hope it helps.
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Re: Covering almost 40% of the South American continent, the Amazonian &nbs [#permalink] 30 Sep 2018, 07:28
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Covering almost 40% of the South American continent, the Amazonian

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