Past due! Worth 20 points I will mark you brainless too! Instructions; fill in the boxes for density calculations, phase changes, phase/ states of matter

What is point source pollution of an aquatic ecosystem? a) pollution of freshwater sources b) pollution from many sources that combine into one c) pollution that occurs over a wide area; water that runs off from fields, parking lots, and other land surfaces d) pollution that can easily be identified with a single discharge source, such as an open pipe which drains into a body of water