Answer:
Maybe Jumping Jack's, Lunges, Planks and Squats. To avoid injuries, before and after every workout you should warm up and cool down
Maybe 10_20 min opening on how intense ur work out was
Bad hygiene, puberty, physical activity or just normal teenage bodily changes.
An economic condition that fits that description is called scarcity where many have to fight for little resources, jobs ext. <span />