Across
- 2. A rock is broken down into smaller pieces by physical change
- 7. The acid produced naturally by a certain organism
- 9. The breakdown of a rock material by physical and chemical processes
- 10. The movement of weathered rocks by natural forces
Down
- 1. breakdown of rocks by chemical reactions
- 3. can be broken down by the action of other rocks overtime
- 4. The process by which other chemicals combine with oxygen
- 5. precipitation:when stronger acids fall to earth
- 6. when sediment settles and is added to an area
- 8. the process by which the outer layers of rock slowly peel away due to pressure change