MCQOPTIONS
Saved Bookmarks
| 1. |
Carbon monoxide is a pollutant, which causes |
| A. | respiratory disease (e.g. asthma). |
| B. | asphyxiation (suffocation) leading to death. |
| C. | retardation in crop growth. |
| D. | damage to building materials like marble. |
| Answer» C. retardation in crop growth. | |