I would say all but A, but if only one answer it is, I would say C
Exposure to radiation and toxins. This is because the radiation can basically fry the sperm causing many reproductive issues in men.
Answer:
Bile emulsifies
Explanation:
(breaks into small particles) lipids (fats), which aids in the mechanical digestion of fats. The pancreas and gland cells of the small intestine secrete digestive enzymes that chemically break down complex food molecules into simpler ones.
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