E-cigarettes produce an aerosol by heating a liquid that usually contains an addictive substance called?

The following statement about pathogens are true except for one, which statement is not true? a. pathogens belong in the human body b. pathogens can cause infectious diseases c. some pathogens can be classified as animals d. pathogens can multiply inside a host organism

American college students invented football by combining what two sports?

Developing a positive identity to increase your level of self esteem true or false