1 It is used as a fungicide and as a color pigment. 2  In chemistry, it is also used as a reagent. 3  It's easy to synthesize your own copper aâ¦. 4  Kitchen Chemistry: The Advantage of Copper Bowls There are two kinds of bowls and cooking pans you can use in the kitchen: non-reactive and reactive.
The infrastructure is the basic foundation or underlying framework of an organization or system. In your house, the infrastructure is the system of beams, weight-bearing walls and the foundation that keeps it standing. Infrastructure often refers to the equipment and structures required by the military or by a country or region. Roads, bridges, and school buildings are part of our nation's infrastructure, and are necessary for the continued growth of our communities. This word was formed as a compound in English, using the prefix infra-below, underneath.
Economic system. An economic system is a system of production, resource allocation, and distribution of goods and services within a society or a given geographic area. It includes the combination of the various institutions, agencies, entities, decision-making processes, and patterns of consumption that comprise the economic structure of a given community. As such, an economic system is a type of social system. The mode of production is a related concept. All economic systems have three basic questions to ask: w