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Sgr A* emits radio waves.
Industrial Output
The total volume of products and services produced by an industry, often used as an indicator of industrial activity and economic health.
Internal Combustion
A process where fuel is burned within an engine, producing power through the expansion of gases.
Carburetor
A device in an internal combustion engine that mixes air with a fine spray of liquid fuel.
Compulsory Education
The requirement by law for children to attend school up to a certain age to ensure they receive a basic education.
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Q121: The above image is an example of