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| Q.20 | As per United Nations projections, on the current path of carbon dioxide emissions, temperature could increase by as much as _________ by the end of the 21st century. | |
| Ans | 1. 3.4°C | |
| 2. 4.4°C | ||
| 3. 2.4°C | ||
| 4. 1.4°C |
Correct Ans: 2
