If you were looking at a cell under a powerful microscope, what would tell you that it is a eukaryotic cell?

How does buring fossil fuels impact does carbon cycle? what large impact does this have on the envirnment?

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

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.