IDNStudy.com, kung saan ang mga eksperto ay sumasagot sa iyong mga tanong. Magtanong at makakuha ng detalyadong sagot mula sa aming komunidad ng mga eksperto.
Answer:
Swiftly moving water. Rapidly moving water can lift, for short periods of time, rocks from the stream bottom. When these rocks drop, they collide with other rocks, breaking tiny pieces off.
Ice wedging. Ice wedging causes many rocks to break. ...
Plant roots. Plant roots can grow in cracks.