Answer:
Ancient civilizations based a large part of their economy and their subsistence on trade and exchange of goods. Thus, they were guided by a very simple premise: they traded what they had left over, to obtain in exchange what they lacked. For example, if a civilization overproduced wheat, it could trade that surplus for goods it did not have, such as animals. In this way, all civilizations covered their needs without the obligation to procure them all by their own hand.
Answer:
Physical disability
Explanation:
The Florida Constitution states that "No person shall be deprived of any right because of race, religion, national origin, or physical disability." On the other hand, the United States Constitution fails to mention anything regarding physical disability when talking about deprivation of rights. This is one of the differences between the US Constitution and Florida Constitution which are pretty much similar.
Symptoms of panic disorder, such as hyperventilating, are usually brought on by a trigger, such as enclosed spaces. Generalized anxiety disorder is the existence of anxious symptoms in everyday life.
<span>Depression is linked to an imbalanced level in serotonin. Serotonin is a neurotransmitter that is produced in the brain. These neurotransmitters helps the brain to send and receive messages from one part of the body to another. Serotonin affects nearly all the cells within the brain. As a result human behavior, mood, sleep, and even appetite can be greatly influenced. Aggressive behavior although can result from the same imbalanced levels of serotonin. Researches believe that the lack of receptors, or the inability for serotonin to reach these receptors, may also impact our ability to control anger and aggression.</span>
