Answer:
In the mentioned scenario, norepinephrine and acetylcholine are the neurotransmitters, which would have been present at the higher concentrations in Sean's brain. Norepinephrine signifies to a neurotransmitter that plays an important part in dreaming, emotions, sleeping, attentiveness, and learning.
It also gets released in the bloodstream as a hormone, where it augments the rate of heart and causes the blood vessels to contract. Another neurotransmitter called acetylcholine signifies the chemical that is released by the motor neurons to instigate the muscles.
Step 1. Simplify brackets
Step 2. Simplify
13
Done! :)
Your answer is A. 13 Hope this helps!
I would say the first one a comet. :)
Answer:
release of enormous amounts of greenhouse gases
Explanation:
I am pretty sure it is <span>D. Microbiologist</span>
