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energy sources obtained from deposits of ancient organic remains (coal; natural gas; and petroleum).
(in currency) when a floating currency reduces in value in terms of other currencies.
the variation of life forms within a given ecosystem; often used as a measure of the health of...
these indicators move in conjunction with the business cycle; such as real GDP; unemployment...
an increase in the price of one product will result in a decrease in the demand for the...
the additional cost of producing one more item. It is the amount by which the total costs...