Compared to nonpoint source pollution, point source pollution a. comes from many sources. b. is more difficult to control. c. can be more readily identified. d. does not happen near rivers.

C. Can be more readily identified.

Explanation:

A point source pollutant is the one which comes from a single source and the path of the pollutant can be tracked to it's source of origin. Hence, pollution caused by the point source pollutant can be controlled.

trachea, alveoli, lung capillaries, arteries

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called