The authors' primary purpose in the passage is to

on June 13, 2020

Explaination... why E?

I chose the answer choice that stated that the author was stating a scientific misconception. The author, if I'm not mistaken, spends most of the first paragraph stating how previous theories can be proven wrong, and spends the rest of the passage giving examples. Can you explain why the answer would be E? Thanks in advance.

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on June 13, 2020

Sorry, I meant why is the answer choice D!!!

Victoria on June 23, 2020

Hi @kalinwoodward,

Happy to help!

You are correct that the author does spend the majority of the first paragraph highlighting why previous scientific assumptions and theories are incorrect. However, at the end of the first paragraph, the author proposes a hypothesis: "selection for efficiency, we suggest, led to an inability to survive on raw-food diets in the wild" (lines 25 to 27)

The remainder of the passage is spent exploring what limits humans' abilities to use raw food.

Hope this helps! Please let us know if you have any further questions.