MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
| 1. |
What would have been the average temperature of Earth without greenhouse gases? |
| A. | 0<sup>o</sup>C |
| B. | -7<sup>o</sup>C |
| C. | -9<sup>o</sup>C |
| D. | -19<sup>o</sup>C |
| Answer» E. | |