Across
- 1. The opposite of dirty
- 6. Another word for garbage
- 7. The surroundings in which a person, animal or plant lives
- 9. Coal, oil and water are all _______ resources
- 11. The top most layer of the Earth is called?
Down
- 1. Using carefully, avoiding wastage
- 2. H2O
- 3. A group of trees
- 4. A living thing that is not able to move itself
- 5. The only planet where life exists
- 8. April 22 is celebrated as
- 10. To reuse an item again