In order for fossils to form, special conditions must first be met such as being buried quickly as to prevent it from getting destroyed by weather and other animals, being completely isolated from oxygen, and have a hard part that is not composed of soft tissue. TRUE OR FALSE

EXPLAINTION.

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