A forest full of the many kinds of trees and grasses is an example of a.

What percentage of the earth's water is available for use by living things?

Susie ran a race. she ran 55 miles an hour, and the race took her tt hours to complete.

What are the three stages of volcanic activity? a. active, magma, lava c. extinct, eruption, explosive b. eruption, quiet, explosive d. active, dormant, extinct