Whereas the use of synthetic fertilizers has greatly expanded agricultural productivity in many parts of the world, an increase in their use can create serious environmental problems such as water pollution, and their substitution for more traditionalfertilizers may accelerate soil structure deterioration and soil erosion.
Option Elimination -
(A) an increase in their use can create serious environmental problems such as water pollution, and their substitution for more traditional fertilizers - We are looking for a contrast after "whereas," and this option communicates the contrast clearly. "whereas the use...", an increase in their use ...can cause ....and an increase in their substitution...may accelerate....ok.
(B) an increase in their use can create serious environmental problems like water pollution, and if substituted for more traditional fertilizers, it - for example, we need such as and not like. Wrong.
(C) if these fertilizers are used increasingly,
...
Option Elimination -
(A) an increase in their use can create serious environmental problems such as water pollution, and their substitution for more traditional fertilizers - We are looking for a contrast after "whereas," and this option communicates the contrast clearly. "whereas the use...", an increase in their use ...can cause ....and an increase in their substitution...may accelerate....ok.
(B) an increase in their use can create serious environmental problems like water pollution, and if substituted for more traditional fertilizers, it - for example, we need such as and not like. Wrong.
(C) if these fertilizers are used increasingly,
...
Statistics : Posted by Raman109 • on 17 May 2008, 03:03 • Replies 26 • Views 37521
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