Answer:
a website with .edu .gov or a book written by a famous professsor or scientist
Explanation:
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.
Answer: That Answer Was Copied And Pasted Off Of Wikipedia.
Explanation: https://en.wikipedia.org/wiki/Evolution_of_the_horse
Answer: B is right
Explanation: Carbon dioxide is a greenhouse gas which is involved
with increasing temperature of atmosphere
Evolution is not a random process. The genetic variation
on which natural selection acts may occur randomly, butnatural selection itself is not random at all.
