I am unable to comprehend the explaination given by OG. Please kindly explain me & give me some tips to tacke these kind of questions. ANY HELP or detailed explaination would be really appreciated. Disclaimer. I am average student and have been really impressesed by many of you out there. So please do respond in detail.
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Question:
OG 10 685-206
The peaks of mountain range, acting like rocks in a streambed, produce ripples in the air flowing over them; the resulting flow pattern, with crests and troughs that remain stationary although the air that forms them is moving rapidly, are known as "standing waves".
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C. crests and troughs that remain stationary although the air that forms them is moving rapidly, is
E. stationary crests and troughs although they are formed by rapidly moving air, is
EXPLAINATION in OG.
Choice E uses the correct verb form, is but it incorrectly introduces a dependent adverbial "although" clause int a prepositional phrase(with crests...)Such depended clauses can only occur in the predicates of full clauses. C correctly puts the although clause inside the predicate of the relative clause. (that....rapidly)

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Question:
OG 10 685-206
The peaks of mountain range, acting like rocks in a streambed, produce ripples in the air flowing over them; the resulting flow pattern, with crests and troughs that remain stationary although the air that forms them is moving rapidly, are known as "standing waves".
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C. crests and troughs that remain stationary although the air that forms them is moving rapidly, is
E. stationary crests and troughs although they are formed by rapidly moving air, is
EXPLAINATION in OG.
Choice E uses the correct verb form, is but it incorrectly introduces a dependent adverbial "although" clause int a prepositional phrase(with crests...)Such depended clauses can only occur in the predicates of full clauses. C correctly puts the although clause inside the predicate of the relative clause. (that....rapidly)

















