Weathering - Rock is broken down in smaller pieces or sediments by wind, rain, and ice., Erosion - The sediment is carried to another place by wind or water., Deposition - Sediment is dropped in a new place., Compaction - The weight of the layers on top of one another causes pressure on the bottom layers., Cementation - Pressure and time causes the layers to stick together.,

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?