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:
AIDS in Africa: causes for the high spread of the HIV virus
The reasons for the high level of AIDS spread in sub-Saharan Africa are manifold. The most common causes include: Poverty: About half of the world's people living in extreme poverty live in sub-Saharan Africa.
The Amazon rainforest 5.5 million km²
Confucianism is best described as an ethical philosophy that emphasizes the duties that one has toward others in society.