The sulfur and nitrogen compounds in the smog combined with water to forma. ozone b. ammonia c. acid raind. chlorofluorocarbons

Which are reasons cells undergo cell division?

Many body systems work together for proper functioning of the body and to maintain internal homeostasis. the works to break down food eaten before exercising. the takes in the nutrients obtained from the food. the body sweats as a mechanism to cool off, because the is working to flush out toxins.

Produce proteins by following coded instructions that come from the nucleus of the cell.