Across
- 1. Living and non living organic matter
- 3. The four spheres in the system
- 8. The process of allowing a coast to erode and reach its natural equilibrium
- 11. Rock, mineral and soil
- 14. Items or forces that enter the system
Down
- 1. Trucks bring sand to replace the lost sand on beaches
- 2. Water components
- 4. Solid structure built on an angle from the coast to reduce erosion
- 5. Concrete or boulders located offshore to reduce wave action
- 6. Solid walls built parallel to the coast to protect paths and roads
- 7. Solid construction that is built perpendicular to stop sediment
- 9. Forms of life on a coastal environment
- 10. Gases surrounding the earth
- 12. Energy or matter leaving the systems
- 13. Movement of energy or matter in the system