Researchers are investigating processes that happen during digestion. Which answer choice describes only a physical change during digestion?
Hydrochloric acid in the stomach breaks down proteins.
Chewing in the mouth breaks food into small pieces.
Enzymes in saliva start the digestion of starches before food is swallowed.
Bacteria in the intestines convert dietary fiber into fats.
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The world’s richest 20 percent of the population consume about what percentage of all goods and services in a given year?
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How are the causes of the problems viewed? medical model public health model human services model. what is a method of treatment? medical model public health model human service modelj
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Researchers are investigating processes that happen during digestion. Which answer choice describes...
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