Across
- 3. this colour reminds us of nature
- 4. the blue planet
- 5. biggest ocean on earth
- 9. reusing things
- 10. largest continent on earth
Down
- 1. first person to orbit the earth
- 2. environment day
- 6. it is the outer most layer of earth
- 7. this puzzle is about
- 8. flower and vegetables are types of