An associated characteristic linked to anorexia nervosa is purging after food consumption where an individual forces out the food that he or she consumed
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B)
humans are more closely related to chimps than any other apes
hope it helps</span>
Answer:
Tripped over luck, stumbled upon tragedy
Explanation:
I think it's Photosynthesis because photosynthetic bacteria began producing excess oxygen, which added oxygen to the Earth's atmosphere.