The colors of visible light, often referred to as ROY G BIV (for red, orange, yellow, green, blue, indigo, and violet), are a small portion of the entire electromagnetic spectrum. Light can be thought of as a stream of packets of energy called photons.
The United States has a mixed economy and has maintained a stable overall GDP growth rate, a moderate unemployment rate, and high levels of research and capital investment. Its seven largest trading partners are Canada, China, Mexico, Japan, Germany, South Korea, and the United Kingdom.
mixed economy Definition An economic system in which the government imposes boundaries on capitalism to limit the concentration of power and achieve social balance. The U.S. economic system is a mixed economy. Compare to Laissez-Faire. Use mixed economy in a sentence. â 1  Despite what the people enamored with pure capitalism think, here in the United States we enjoy the benefits of a mixed economy. â 2  The government teacher explained to his students about Americas mixed economy and how its causes and effects over time compared to other nations.