I need answer please




IDENTIFY THE CHANGES HAPPENING IN EACH SITUATION. Write PW for physical weathering, CW for chemical weathering, and E for erosion

1.water inside rocks freezes and melts again.
2.carbonic acid is formed from water with carbon dioxide.
3. Wind moves away rocks and transfer them from place to place.
4. A boulder on the shore is slowly broken apart by the force of water.
5. Rocks have small crevices in which seeds may fall and grow into big plants.
6. Weather rocks are carried by water from mountains to the bodies of water.
7. Some plants release chemicals which loosen rocks and cause them to break.
8. A stonewall begins to crumble when the roots of a tree grow bigger and deeper.
9. The chemical composition of rocks when acid is produced by roots of same plants.
10. Earthworms make tunnels in the ground which may lead to the breakdown of stones and roots.