Across
- 4. a day to do activities that help the environment
- 6. defined as the area in which the birds and animals are protected and are kept safely in their natural habitats protecting them from the illegal activities like poaching and trafficking
- 7. the process of planting large numbers of trees on land
Down
- 1. the clearing, or cutting down, of forests.
- 2. animals that are at a very high risk of becoming extinct in the world
- 3. the rich variety of life on Earth
- 5. a large community of living organisms at a