Which of these technological advances has improved flu vaccines ?

a. ct scans
b. cell-based culturing
c. egg reproduction
d. glucose monitors

The media influences tobacco use by teens how? a) by showing beautiful, strong, and popular people using tobacco and cigarettes b) tobacco companies describing all the health effects of tobacco use c) cigarette businesses explaining all of the addictive qualities of tobacco use d) none of the above

Fundamental emotions or emotions that are learned and are highly complex true or false

Never seek shelter from a tornado: a. in a mobile home b. in a car or truck c. in a room with windows d. in any of the above