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(1) X-ray photon production occurs as a result of both general and characteristic radiation.(2) General radiation accounts for a small number of x-ray photons produced because it takes high kV to dislodge the electrons from the K shell.
Net Exports
The difference between a country's total value of exports and its total value of imports within a certain timeframe.
Government Purchases
Spending by the government on goods and services, which is part of fiscal policy to influence the nation's economy.
GDP
Gross Domestic Product, a measure of the economic output of a country, expressing the total value of all goods and services produced over a specific time period.
Consumption
Household consumption of products and services.
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