Rivers have always played an important role because they gave a windows of opportunity for a civilization to build and expand its influence and power through trading and just having a source of life near to it; namely a big river.
Answer:
Serotonin pathways
Explanation:
Weight control, aggression, impulsivity, and psychological depression have all been associated with Serotonin pathways.
These pathways are important to different neurological and psychiatric disorders.
Also, these pathways help in communicating the monoamine neurotransmitter serotonin.
In the brain, serotonin helps in the regulation of happiness and anxiety.
<span>allows child to create empathy and understand how behavior can affect others</span>
The answer to your question is B
Is this for K12 Us history? Im gonna answer this in a min