Cold, flu, and aids are all diseases caused by which of the following?
a) fungi
b) viruses
c) protists
d) bacteria

What is a self-improvement strategy for a parent with a busy schedule? a. spend more time watching exercise shows on tv. b. start exercising when the kids are grown. c. use a calendar to plan daily exercise. d. write in a journal about the importance of exercise.

Sam is a four-year-old child. as compared to other boys of his age, his skin looks dull. his hair appears damaged and dry. which nutrient is sam’s body likely lacking? a. proteins b. carbohydrates c. fats d. minerals

Which of these is not related to the teeth? a. chymob. pulpc. enamold. dentin