Across
- 4. rain, snow, sleet, or hail that falls to the ground
- 7. rotting; decay
- 8. plants absorb water through the roots and then give off water vapor through pores in their leaves
- 10. to go from a solid state to a gas without becoming liquid first
- 11. rain that flows off from the land in streams.
- 13. process in which sediments, soil and rocks are added to a landform or water
Down
- 1. a natural source such as coal or gas, formed in the geological past from the remains of living organisms
- 2. process by which a gas or vapor changes to a liquid
- 3. the process in which plants make energy
- 5. the action of clearing a wide area of trees for a non-forest use
- 6. to change from a liquid or solid state into vapor
- 9. water beneath the surface of the ground andthe source of water in springs and wells
- 12. outer gaseous layers in the sky
