Which step in the water treatment process use positively charged chemicals to balance negatively charged sediment leading to the formation of larger particles when these oppositely charged particles? A. Sediment and Coagulation

B. Disinfection and Sediment

C. Coagulation and Flocculation

D. Disinfection and Flocculation

Pepsin is an enzyme in the stomach that breaks polypeptides into amino acids. pepsin functions best at a ph of around 1.5. what would be the most likely result if the ph of the stomach were increased to 5

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

Match each symbol with its description.