Answer: The production possibilities curve (PPC) is a graph that shows all of the different combinations of output that can be produced given current resources and technology. Sometimes called the production possibilities frontier (PPF), the PPC illustrates scarcity and tradeoffs.
Explanation:
pond or lake for water, and hunt for their food
Because they put a thermometer in tje earth and see the temperature so they calculate and make their hypothesis
It says answer in YOUR words so you will do it that way and not cheat
<span>The answer here is A: "the world was freed from its fear of communism." The Berlin wall served as a divider between the east and west portions of Germany. The west side was a free section, allied with America. The other side was ruled by communism.</span>