Plate tectonics. The Earth's crust and upper part of the mantle [mantle: A zone of hot rock in the interior of the Earth, located between the outer crust and the molten core. ] are broken into large pieces called tectonic plates. These are constantly moving at a few centimetres each year.
Capitalism is an economic system in which trade, industry, and the means of production are privately owned and operated via profit and loss calculation (price signals) through the price system.he term capitalist mode of production is defined by private ownership of the means of production, extraction of surplus value by the owning class for the purpose of capital accumulation, wage-based labour, and, at least as far as commodities are concerned, being market-based.
In common usage, the word capitalism means an economic system in which all or most of the means of production are privately owned and operated, and the investment of capital and the production, distribution and prices of commodities (goods and services) are determined mainly in a free market, rather than by the state.