Deforestation is the a. cutting down or burning of all the trees in a forested area b. replanting of trees in an area where trees were cut down c. managing of forests for the benefit of people d. adding of nutrients to topsoil in order to make land more arable

If there are laws or rules in a society and they are in conflict, how do we decide which takes precedence?

What evidence does the writer give to support his argument about coral reefs? a) he speaks of the activities of coral polyps. b) he describes the composition of the great barrier reef. c) he emphasizes the ways in which coral reefs are fragile. d) he points out the ways that scientists do research on the reefs.

He resistance of a liquid to flowing is called