" environment pollution in the internal change in available air, water, soil, sound ." justify thhis statement

Ais a fluid-filled space between two neurons through which neurotransmitters travel. it is in this area where messages are transmitted chemically. a. terminal button b. synapse c. neuronal membrane d. synaptic vesicleits b, i just guessed it and it turned out to be right.

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

So i have a lot of answers answered but it says i still need to answer more questions. why is it doing that? how many questions need to be answered?