Answer:
Dopamine
Explanation:
Dopamine is a type of neurotransmitter. Our body makes it, and our nervous system uses it to send messages between nerve cells. That's why it's sometimes called a chemical messenger. Dopamine plays a role in how we feel pleasure. It's a big part of our unique human ability to think and plan.
Answer:
Is D. having schools for religious study
Explanation:
The city of Timbuktu is known for being a trade center, having gold an salt mines, attracting many scholars, but isn't known for having schools for religious study.
Answer:
to prevent history from happening in the future.
Answer:
by producing numerous books ,articles, essays inventions, scientific discoveries revolutions, laws and wars