MCQOPTIONS
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| 1. |
In April 2020, which of the following has confirmed that the largest hole in the Ozone layer above the Arctic has closed? |
| A. | Copernicus Climate Change Service |
| B. | Copernicus Atmosphere Monitoring Service |
| C. | The Climate Group |
| D. | Both 1 and 2 |
| E. | All 1, 2 and 3 |
| Answer» E. All 1, 2 and 3 | |