What is the term for materials, such as plastic, thay will not decompose a. nonrecyclable b. disposable c. biodegradable d. nonbiodegradable

Which one contains more bacteria a sneeze or a cough ? ♡

Which statement is true about common childhood infectious disease? a. children should always be given antibiotics to treat an infectious illness. b. frequency of infectious illnesses usually increases as children grow older. c. having a minor infectious illness weakens a child's immune system. d. infectious illnesses are usually mild and require no medication.

Which of the following is a nonspecific defense against pathogens? - b cells - antibodies - t-cells - inflammation