The steps of the dna ladder are made of

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

This is one of the five kingdoms in the older biological succession. organisms in this kingdom are prokaryotic

What are some natural processes that represent physical and chemical changes?