Which of the following images is an example of point source pollution? Water with trash in it. Dirty foam and water at a shoreline. Dirty water being emptied into a river through pipes.

How is an environment able to support different varieties of organisms?

Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of

Consider the following reaction: 2h2 + o2 —> 2h2o a) what are the reactants in this reaction? b) what are the products in this reaction? c) how many molecules of oxygen are used in this reaction?