The amounts of mood-elevating chemicals in the brain are a. lower in sedentary people than in those who are physically active. b. the same in sedentary people and in those who are physically active. c. higher in sedentary people than in those who are physically active. d. present in sedentary people but nonexistent in those who are physically active.

Which of these is the best ways to avoid problems with gangs? select all correct answer. a. dress like a gang member but dont join a gang b. inform your parents or police if gang members try to recruit you c. go to places gang member frequent d. become friends with someone who is a gang memeber

For years, tobacco products have included a message from the surgeon general warning the negative effects of tobacco use. at this time, a push is being made for the fda to begin to regulate e-cigarettes in order to mandate warning labels and age restrictions. write a paragraph that identifies 2 health problems that have been linked to nicotine and/or tobacco use. you should include statistics demonstrating the incidence of problems among smokers and provide a resource citing where you found the information provided. (remember from unit 1 what makes a resource reliable.) due in 2

Hiv is inactivated in the laboratory after a few minutes of sitting at room temperature, but the flu virus is still active after sitting for several hours. what are the practical consequences of these findings? a) hiv can be transmitted more easily from person to person than the flu virusb) the flu virus can be transmitted more easily from person to person than hivc) this property of hiv makes it more likely to be a pandemic than the flu virusd) disinfecting surfaces is more important to reduce the spread of hiv than the flu