The <span>perspective on psychological disorders that andy's doctor use is: The medical perspective
The medical perspective ot a psychological disorder put more emphasizes on the Biological and physiological factors that could cause the disorder (such as chemcial imbalance)</span>
The first cities developed
in the region known as Mesopotamia
between 4500 and 3100 BCE. The city of Uruk, today considered the
oldest in the world, was first settled in c. 4500 BCE and walled cities
A soda in a styrofoam cup with a lid, coffee in a thermos with the lid closed is the isolated systems.
<h3><u>Explanation:
</u></h3>
Styrofoam cups and thermos containers are typical examples of containers that don’t allow the transfer of heat energy in their environments. A system is said to be isolated if it doesn’t allow heat exchange with its surroundings. A Styrofoam cup with a lid keeps the coffee hot due to its insulation properties.
Thermos container is a more effective insulator since it is made of double-walled container to lock either heat or cold inside. Insulators create effective isolated system depending on the materials they were made from. A completely isolated system does exist.