¿Por qué son importantes los grupos corporales obligatorios en las rutinas de Gimnasia?

Which is a direct benefit of prohibiting nicotine and tabacco use in schools?

Brad was almost hit by a speeding truck as he crossed the street. his heart began to race, and he felt extremely afraid as he jumped out of the way in just enough time to avoid the truck. a psychologist who supports the theory of emotion would claim that based on the arousal brad experienced, he appraised the situation and then labeled his racing heart as fear. a. james-lange b. cannon-bard c. schachter two-factor d. evolutionary

How could you find out if that advice is based in scientific evidence?