MCQOPTIONS
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| 1. |
The major source of carbon monoxide in the urban atmosphere is due to |
| A. | Decomposition of organics |
| B. | Chemical reaction between VOC an NOx |
| C. | Human respiration |
| D. | Incomplete combustion of fule |
| E. | Use of LPG gas for domestic purposes |
| Answer» E. Use of LPG gas for domestic purposes | |