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generis
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generis
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Ditto everything above.

Except I might add that the insertion of “than” in (B) is unnecessary. There is no comparison adjective or adverb being used.

Effectively, (B) says:

“It is a challenge because of X than Y.”

One reason why I’m posting is because of a certain official guide question that I can vaguely recall. I don’t know how comparable the question is to the current one, but I do believe that a sentence similar to (A) was “ok” under the circumstances (ellipses and all that good stuff).

My brain says C, my heart says A (even though it sounds as if “sizes” are being compared to the stars themselves).

Now to find the question. Or was it a figment of my imagination...

Edit: ha! The question I was thinking of has no bearing (really) on this question. But why not post it? Maybe generis will say something smart....

https://gmatclub.com/forum/the-gyrfalco ... 12#p628556

Posted from my mobile device
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imo C

According to astronomers, detecting earth size planets is an enormous challenge because of the infinitesimal sizes and masses of the planets compared to the stars they orbit.

Due to -- Modify the noun
Because of -- Modify the verb and clause

Since here because of is modifying to below clause
detecting earth size planets is an enormous challenge.. Due to is incorrect .

D and E out ..

A has comparison error ..since infinitesimal sizes and masses of the planets are compared to the stars

In B ,Presence of word than makes it meaning error .. Than should be preceded by comparative word such as more , less etc



A) because of the infinitesimal sizes and masses of the planets compared to

B) because of the infinitesimal sizes and masses of the planets than those of

C) because of the infinitesimal sizes and masses of the planets compared to those of

D) due to the infinitesimal sizes and masses of the planets compared to

E) due to the infinitesimal sizes and masses of the planets compared to those of[/quote]
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Fdambro294
Ditto everything above.

Except I might add that the insertion of “than” in (B) is unnecessary. There is no comparison adjective or adverb being used.

Effectively, (B) says:

“It is a challenge because of X than Y.”

One reason why I’m posting is because of a certain official guide question that I can vaguely recall. I don’t know how comparable the question is to the current one, but I do believe that a sentence similar to (A) was “ok” under the circumstances (ellipses and all that good stuff).

My brain says C, my heart says A (even though it sounds as if “sizes” are being compared to the stars themselves).

Now to find the question. Or was it a figment of my imagination...

Posted from my mobile device
I don't think ellipses is used here ..
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According to astronomers, detecting earth size planets is an enormous challenge because of the infinitesimal sizes and masses of the planets compared to the stars they orbit.


A) because of the infinitesimal sizes and masses of the planets compared to Incorrect

comparison error - infinitesimal sizes and masses compare with stars

B) because of the infinitesimal sizes and masses of the planets than those of Incorrect

only than uses wrong

C) because of the infinitesimal sizes and masses of the planets compared to those of Correct

D) due to the infinitesimal sizes and masses of the planets compared to Incorrect

due to uses wrong

E) due to the infinitesimal sizes and masses of the planets compared to those of Incorrect

same as D
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According to astronomers, detecting earth size planets is an enormous challenge because of the infinitesimal sizes and masses of the planets compared to the stars they orbit.


A) because of the infinitesimal sizes and masses of the planets compared to
Wrong comparison between size & mass of planet and star

B) because of the infinitesimal sizes and masses of the planets than those of
here no comparison between mass & star. Than is inappropriate

C) because of the infinitesimal sizes and masses of the planets compared to those of
Correct comparison, no remarks

D) due to the infinitesimal sizes and masses of the planets compared to
Apart from errors mentioned in A, usage of due to for comparison is wrong.

E) due to the infinitesimal sizes and masses of the planets compared to those of
usage of due to for comparison is wrong

IMO C
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According to astronomers, detecting earth size planets is an enormous challenge because of the infinitesimal sizes and masses of the planets compared to the stars they orbit.

A) because of the infinitesimal sizes and masses of the planets compared to -> "Challenge because of" is correct. Let's check the comparison, why we are comparing, "infinitesimal sizes and masses" to "the stars ". Incorrect.

B) because of the infinitesimal sizes and masses of the planets than those of -> "than" is incorrect to use.

C) because of the infinitesimal sizes and masses of the planets compared to those of -> Now, sizes and masses are compared, which is better. Let's keep it.

D) due to the infinitesimal sizes and masses of the planets compared to -> Due to modifies noun. Incorrect.

E) due to the infinitesimal sizes and masses of the planets compared to those of-> Same as D.

So, I think C. :)
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