Answer:
Supply and Demand/ Monetary Value
Explanation:
This is a very simple question, but the person who created the question overcomplicated it for no reason. If there is high demand for something, people will be willing to pay more for it. For example, medicine is costly but due to companies knowing that people will pay whatever it takes to get that medicine.
Gold. Not as much demand as their used to be. But the supply is very limited. In short, because it is rare, it is valuable.
There is a reason we don't pay $100 for a leaf. Because they are everywhere and don't have any monetary value (there is no use for it)
That would be the social structuralism perspectives. The social structuralism is a complex perspective in which it approach society as a whole on a Macro Level . This perspective look at all of social functions and social structure, which include both social conservatives and socialists' views.
Another name for the sum of all goods and services produced by business firms and sold to final consumers is GDP
Answer:
<h2>The Tri-Chromtic theory</h2>
Explanation:
The Tri-chromatic theory is based on the assumption that the three classes of cone receptors sub serve the colour vision. This theory dates back to 18th century and was popular during the first half of 20th century and was often used against the opponent processes theory. It was also known as Young-Helmholtz theory of colour vision, according to this theory there are three receptors in the retina that are responsible for the perception of colour. These receptors have different sensitivity level. Blues ones are the most sensitive and the red ones the least. But to perceive the colour needs the interaction between at least two photo receptors. Then the three colours are combined to form any colour in the visible spectrum.
Sound travels in waves with higher frequencies together and lower frequencies spread apart.
