Answer:
b. False
Explanation:
"Mesoamerica"<em> (Middle America)</em> refers to the ancient civilization of Mexico and Central America. This included the <em>Aztecs, Mayans, Olmecs, Zapotecs, Mixtecs and Teotihuacans. </em>
These civilizations were able to independently survive on their own by using advanced techniques. For example, the Mayans made a system of calendar known as<em> "Maya calendars." </em>This is because they were attracted to the<em> cycle of time.</em> Another example are the advanced tools made by the Aztecs. They were even able to make <em>drills </em>(bone and reed). Their agricultural systems were very complex.
Answer: The first one is modeling
The second one is diagramming
The third one is breaking problem into steps
Explanation:
The United Nations was formed to ensure that an event like WWII would never happen again.