Answer:
Axis: The imaginary line around which the earth rotates is called its axis. Orbit: The imaginary line on which the earth moves around the sun is called its orbit. Orbital Plane: The plane passing through the earth (along its orbit) is called its orbital plane.
Explanation:
Answer: The point source pollution has only a single source. The nonpoint source comes from many diffuse sources. The nonpoint source's pollution is caused by rainfall or snowmelt moving over and through the ground. It can cause problems with the quality of the water. It is caused by disconnected sources of pollution.