PLEASE ANSWER! I WILL GIVE BRAINLIEST!! Kids between 9-13 years of age should be active (slightly out of breath) for how long and how many times a week?

30 minutes a day, 5 times a week

1 hour a day, 5 times a week

1 hour a day, 3 times a week

30 minutes a day, 4 times a week

Which one of the following reasons is not typically why athletes strive for lower body weight and lower body fat?

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

What factors are contributing to the increase in obesity among children?