Across
- 3. weathering rocks get smaller
- 6. mechanical breaking of rocks
- 7. carbonic acid
- 8. digs burrow and rock is exposed
- 9. freeze thaw
Down
- 1. a rocks composition changes
- 2. rusting/color change
- 3. exfoliations ,layers peel away
- 4. dissolves rock and makes holes
- 5. lichen and moss