Which of the following is NOT a source of release of smokestacks?
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A.
Smelters
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B.
Rivers
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C.
Thermal power plants
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D.
Industries
Correct Answer:
B. Rivers
Explanation:
Rivers are not a source of smokestack releases because smokestacks are structural vents designed to disperse gaseous combustion byproducts from land-based or maritime facilities into the atmosphere. Industrial operations such as smelters, thermal power plants, and various manufacturing industries utilize these tall chimneys to exhaust pollutants like sulfur dioxide and nitrogen oxides. In contrast, rivers are natural water bodies and do not employ combustion-driven exhaust systems.
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