EnergyRenewable EnergyNon-Renewable Energy5Choose the true statement about sources of air pollution in the United States.
Stationary sources of air pollution are also point sources.Natural sources of air pollution include household products.Non-point sources of air pollution are easier to monitor and control.Mobile sources contribute about half of man-made pollution emissions.
Air Pollution6One sunny afternoon, Max tried an experiment. He cut the ends off several plastic bottles andslid them over a length of hose. He ran a little water through the hose and left it in the yard for about an hour. When he returned and turned on the water, it was warm as it ran through the hose.