How much physical activity do children and teens need? 60 minutes at least twice a week 60 minutes at least five days a week 150 minutes a week 150 minutes at least five days a week

Pam currently runs on a track an hour a day, three days a week. how can she increase the intensity of her runs? start running five days a week start running in hilly areas or trails switch to walking six miles each day add 20 minutes to each run

Why do vivid images create more memorable memory

Why is people bullying? what's the target?