Apond is located beside an open mine. mercury from the mine contaminates the river water. this is an example of select one: a. single pollution b. multiple pollution c. point source pollution d. non-point source pollution

This is an example of point source pollution. Pollutants from point sources come from a specific and identifiable location. Pollution from point sources has become a minor problem for the environment and human health because point sources are more identified and regulated today than in the past. However, large volumes of rain, inadequate treatment, system failures and other circumstances can still make the point source a potential hazard to the environment and human health.

harry byrd declared organized resistance by southern states would prevent racial integration.

explanation:

v=uf/(u-f)

= 5.-10/(5+10) convex lens has negative focal length