Because he was extremely scared and surprised
Answer:
Hormones are like a messaging system that delivers instructions via the bloodstream to stimulate action.
Explanation:
Hormones fit this description to a T. The job of hormones are like messengers, delivering messages that exert an action that responds downstream. They are carried by the bloodstream to different cells in the body.
Hope this helps :)
Answer:
A. They also help the environment by refreshing the air and by reducing smog and effects to the ozone layer.
Explanation:
The author makes a claim that environment is refreshing by the air and the effects on ozone layer are reduced. This statement is not supported by the evidence. The ozone layer is polluted by the environment pollution. The pollution created by humans is also affecting the air which ultimately pollutes the ozone layer.
The sentence is imperative meaning the subject is (you)