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:
The term which best describes "when a group or person has power or legal authority over a topic or area" is:
3. Jurisdiction.
Explanation:
Jurisdiction refers to the lawful authority given to a person or institution to govern or legislate, exercise authority, or control decisions or judgments. Such authorities are usually exercisable within a specific geographic area, topic, and/or over certain types of legal cases. This means that the given authority is not universally blanket. Instead, it is limited to a particular area, topic, or issue.
Why do people settle near river? The land along the rivers is fertile. If there is fertile land, then crops can be grown. Animals can also be raised if there is enough food and water for them. People learned that they could stay in one place and grow enough food to feed their community, if they were near a water supply.
