Astudy by the environmental protection agency looked at the costs and benefits of the clean air act from 1970 to 1990. this study found that a middle-range estimate of the health and other benefits from cleaner air was $22 trillion. this amount was about than the costs of reducing the pollution.

Afew buddies come over to your house to hang out. they notice you're struggling in school, perhaps you have to rely on to pass your class, but you can't absorb the knowledge. they could positively reinforce getting a tutor and working with you, dedicating more time to the areas of struggle and less on hanging out to better yourself.secondly, say you're the victim of bullying. you're afraid to tell an adult because of possible repercussions from the bully himself. your friends encouraging you and pushing you towards telling an adult for your safety is another example. 

False- i believe that would be the definition of balance

Heat exhaustion is the right answer