Which are the physical (P), chemical (C), and biological (B) immune responses? OP: complement system; C: saliva, B coughing
P: coughing; C. saliva; B: complement system
OP: coughing: C sneezing: B complement system
OP: complement system: C saliva, B: sneezing

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

When coal has reached it hardest, darkest form, it is called select one: 0 a. sub-bituminous b. lignite c. bituminous d. antrhacite next page

How do cells grow and reproduce to maintain homeostasis?