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the image shows a vehicle that can manage resources sustainably. what is one disadvantage of using this kind of vehicle?

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.

What molecule does hemoglobin decay into over time

Modern sea star larvae resemble some primitive vertebrate larvae. this similarity may suggest that primitive vertebrates