Natural resources
Across
- 2. a hard substance that forms the branches and trunks of trees and can be used as a building material, for making things, or as a fuel
- 5. a living creature that can move and eat and react to the world through its senses
- 7. the upper black or brow layer of earth in which plants grow
- 8. The clear liquid that has no color, taste, or smell
- 9. the star around which the planets revolve, from which they receive heat and light
Down
- 1. a black or dark brown rock found mainly in underground and used as fuel
- 3. a fossil fuel. Like coal and natural gas
- 4. any valuable substance which is found upon the soil or in the rocks .
- 6. the mixture of invisible odorless tasteless gases (such as nitrogen and oxygen) that surrounds the earth