Agroup of similar cells that perform a specific function is a(n)
a. organ system.
b. organ.
c. tissue.
d. organism.

Robert wants to know which fertilizer will work the best for his grass. what can he do to explore this inquiry?

Describe how an electric generator works

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