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Diamondrg Posted 20 years ago
Grammar

prep

Fluctuations in the curve ---- each plant category may then be studied for signs of climatic fluctuation, or forest clearance and crop planting by humans.

A) across
B) on
C) for
D) about
E) at

I'm stuck between B, C and E.
  

Top answer

Hi It should be for

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7 Answers
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To me, (C) is correct.
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across
or
for

I would have to see the study to know for sure
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Well, it COULD be "across," but that would mean that you expect to see the same changes in all of the curves. I don't know that that was the intended meaning. By using "each," I inferred that the curve was for each one individually. If it has said "all" instead of "each" then "across" would be the better choice.

I don't think it's jargon, but if you use "across," with the sentence as is,
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well, here it is.

All hay fever sufferers will be aware of the pollen “rain” that (16) ---- them in the spring and summer. Pollen grains – the tiny male reproductive bodies of flowering plants – have an almost (17) ---- outer shell (exine) that can survive in certain sediments for tens of thousands of years. In pollen analysis the exines are extracted from the soil, studied under a
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OK, it seems that for is the best for the context.

You take the curve for each category, and then you study how it varies because of the climate, and other factors.
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