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प्रश्न
According to the Central Pollution Control Board, the diameter of particles that are responsible for causing great harm to human health is ______.
विकल्प
2.5 micrometer
5.0 micrometer
10.0 micrometer
7.5 micrometer
उत्तर
According to the Central Pollution Control Board, the diameter of particles that are responsible for causing great harm to human health is 2.5 micrometer.
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