The answer is cultural group.
A cultural group is one in which its members share traditions, origins, beliefs and sometimes even a genetic inheritance. These groups usually vary generationally by sharing characteristics typical of the period in which they lived and are usually reflected in the way they interpret the world and interact with each other.
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Answer:
For example, red and blue light mixed give magenta light. These are the colors formed by mixing the primary colors. These are the colors formed by mixing a primary and a secondary color. That's why the hue is a two word name, such as blue-green, red-violet, and yellow-orange.
The solar radiation is one of the main factors that shapes the climate all over the globe, so the climate differs with the less or more solar radiation it gets. The polar regions are cold, this is due to the fact that the solar radiation in here is very obscure, because the solar radiation falls at a very wide angle the heat is dispersed over larger area, thus the land gets very little warmth. The Equator, on the other hand, gets direct solar radiation, the sun light falls at a 90 degrees angle or close to it, so the radiation is more concentrated on a smaller area, thus the warming is bigger.