Records from 1850 to 1900 show that in a certain region, babies' birth weights each year varied with the success of t...

CWhite on December 21, 2020

The word “other” makes me think A is wrong

Can someone explain how “other” doesn’t make A incorrect? There are only two phenomena mentioned, brith weight and crop yield. Answer A is saying it uses the correlation between Theo phenomena and applies to to two “other” phenomena. I eliminated this answer based on that word. I still don’t see how it can be correct.

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CWhite on December 21, 2020

Disregard this, I see it now. Weight doesn't necessarily mean health and yield doesn't necessarily mean food available.