Weathering is the breakdown of a rock into smaller pieces by freezing, thawing, plant growth or the actions of animals.

Now it's your turn to investigate human impact around the world. grab your virtual lab coat and put on your environmental science hat. you will be taking a trip around the globe to explore three locations. at each location, you will investigate the cause and effect relationships of deforestation, desertification, and urbanization. you will also gather evidence of how these factors have impacted the environment over time

Which is an example of a decomposer? a. bear b. algae c. grass d. bacteria d bacteria

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain