A levee helps during, floods, A dam is built across a, River, A dike protects, Land near water, Which structure stops river flooding?, Levee, Which structure keeps water away from land?, Dike, Which structure holds back water?, Dam, breaks rocks into smaller pieces., Weathering, moves rocks and soil., Erosion, drops sand and soil., Deposition

Earth's changes

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?