A stream flowing at a velocity of 100 centimeters per second can transport
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Biology, 01.06.2021 02:00, leilalony2660
A stream flowing at a velocity of 100 centimeters per second can transport
Answers: 1
Biology, 22.06.2019 02:00, rhodesnyla01
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 02:30, catycait27p5rc5p
What were the main components of earthโs earliest atmosphere? oxygen and ammonia hydrogen and helium oxygen and nitrogen hydrogen and nitrogen
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Biology, 22.06.2019 08:40, Josephzaz
Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of
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