Help please I need help

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

What are two examples of conduction that we use everyday

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes