| No | Short Description | Difficulty | Open | |
|---|---|---|---|---|
| 1 | Brain Function | |||
| 2 | Ecosystems | |||
| 3 | Health Complications | |||
| 4 | Species of Reptiles | |||
| 5 | Power Plant Emissions | |||
| 6 | Vocal Abilities | |||
| 7 | Global Water Crisis | |||
| 8 | Milky Way Galaxy | |||
| 9 | Issue of Food Waste | |||
| 10 | Mental Health Problems | |||
| No | Short Description | Difficulty | Open | |
|---|---|---|---|---|
| 1 | Brain Function | |||
| 2 | Ecosystems | |||
| 3 | Health Complications | |||
| 4 | Species of Reptiles | |||
| 5 | Power Plant Emissions | |||
| 6 | Vocal Abilities | |||
| 7 | Global Water Crisis | |||
| 8 | Milky Way Galaxy | |||
| 9 | Issue of Food Waste | |||
| 10 | Mental Health Problems | |||