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Ozone

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by komal » Thu Feb 11, 2010 4:59 am
Often visible as smog, ozone is formed in the atmosphere from hydrocarbons and nitrogen oxides, two major pollutants emitted by automobiles, react with sunlight.

(A) ozone is formed in the atmosphere from

(8) ozone is formed in the atmosphere when

(C) ozone is formed in the atmosphere, and when

(D) ozone, formed in the atmosphere when

(E) ozone, formed in the atmosphere from

OA B
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by sars72 » Thu Feb 11, 2010 5:06 am
(A) ozone is formed in the atmosphere from
Ozone formed in X from Y and Z react with sunlight.. that's just wtong. Eliminated!
(8) ozone is formed in the atmosphere when
Ozone formed in X when Y and Z react with sunlight.. looks ok. let's keep it
(C) ozone is formed in the atmosphere, and when
Ozone formed in X, and when Y and Z react with sunlight... wrong.. dangling modifier. eliminated!
(D) ozone, formed in the atmosphere when
no verb. eliminated.
(E) ozone, formed in the atmosphere from
no verb. eliminated.

--> the correct answer choice is B
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by mgmt_gmat » Thu Feb 11, 2010 6:00 am
Ozone is formed .. when Carbon.. react.....

Ozone, formed ... wrong here..

Past paticiple without any " is" or " are " or " has " form etc...


Hope this helps.:)
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