MCQOPTIONS
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| 1. |
According to Central Pollution Control Board (CPCB), particulate size ________ micrometres or less in diameter are responsible for causing the greatest harm to human health. |
| A. | 0.5 |
| B. | 2.5 |
| C. | 5 |
| D. | 10 |
| Answer» C. 5 | |