What is the difference between a point source and a nonpoint source of water pollution? a a nonpoint source is easily identifiab
le. b point sources tend to be agricultural. c point sources can be targeted for reduction. d nonpoint sources tend to be factory outputs. e nonpoint sources are less harmful to the environment?
"Crepuscular" means active at dawn and dusk, so if you wanted to avoid coming across the Gila monster when hiking in Arizona you would want to avoid dawn and dusk.
