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प्रश्न
Which of the following is a natural source of air pollution?
विकल्प
Vehicle
Burning Plywood
Volcanoes
Industries
MCQ
उत्तर
Volcanoes
Explanation:
Organic molecules from plants, sea salt, suspended soils, and dust are all natural contributors to air pollution (e.g. from the Sahara). Other natural sources, such as volcanic eruptions and forest fires, are released.
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Environmental Pollution - Introduction
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