I believe the answer is: water and climate
The theories of totemism – a belief in which humans are said to have a rapport or mystical relationship with a spirit-being, such as a plant or an animal, is that mascots are characters or the symbols of the team or group that will celebrate team identity.
<h3><em><u>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.</u></em></h3>