Please help me I really need the answers to these questions nobody is helping me
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Biology, 21.06.2019 15:00
Although there are a limited number of amino acids many different types of proteins exist because..
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Biology, 22.06.2019 02:00
The pharynx is the structure in the body that serves as a pathway of both air and food. how does the body make sure that food does not get into the lungs? the salivary glands secrete enzymes that pull food out of the air pathway. the small intestine pushes the air out of the digestive system. the pancreas breaks down food in the air pathway. the epiglottis closes the air pathway so that food will not enter it.
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Biology, 22.06.2019 03:40
Organisms that successfully adapt will leave to grownone of the above
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Biology, 22.06.2019 10:40
Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above
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