GMAT Sentence Correction (SC) | Re: QOTD: Reptiles, by drawing their body heat directly

I think this one is pretty tough, and it's another good example of the fact that pronoun ambiguity isn't an absolute rule on the GMAT. For more on this question, check out the video of our YouTube live session here.


On the face of things, it looks like "it' is ambiguous, because it could refer to "the Sun" or "their body heat." But again, pronoun ambiguity isn't an absolute rule, and the more important
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