Which of the following explains why snacking is a major contributor to obesity? snacks have replaced regular meals. snacks often contain multiple serving sizes. snack sizes are smaller, so people eat more. snacks are often full of empty calories and fat.

Describe three ways in which technology has treat the flu

Which of the following is not a fitness benefit of cycling a: very effective at burning fat b: provides an upper body workout c: provides an aerobic workout d: good exercise for out of shape people

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