Biology, Human Nutrition Define absorption. How is ileum adapted for better absorption of digested food molecules?

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the correct answer: the index of refraction of the second medium is lower i tried this persons answer and it was wrong this person is lying

it marks things for degradation via the proteasome. it alters there celluar location.

they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.