sea wall - a wall or enbankment erected to prevent the sea from encroaching on or eroding an are of land, plate movement - slow, continuous motion of the Earth's lithosphere(crust and upper mantle), which is broken into large, rigid tectonic plates, depostion - the process of eroding or being eroded by wind, water, or other natural agents, moraine - a mass of rocks and sediment carried down and deposited by a glacier, typically as ridges at its edges or extremity, mountians - a large landform rising above the Earth's surface with steep slopes and a summit., delta - the layering down of sediment carried by wind, flowing water, the sea or ice, glacier - a slowly moving mass or river of ice formed by the accumulation and composition of snow on the mountain or near the poles, destructive process - process that destroy landforms, dam - a barrier constructed to hold back water and raise its level, forming a reservoir used to generate electricity or as a water supply, volcano - a vent in the Earth's crust through which molten rock (lava), gases and ash can escape, often forming a mountain or hill-like structure around the vent, weathering - breaking down or dissolving of rocks and minerals on the surface of Earth, canyons - a deep gorge, typically one with a river flowing through it, sand dune - a mound or ridge of sand formed by the wind, typically found in deserts or near bodies of water like oceans and lakes, erosion - the process or being eroded by wind, water, or other natural agents, sea arch - a naturally formed, arch-shaped structure in a cliff face, created by wave erosion, where waves have eroded through a headland, forming a passage through rocks., surface features - the visible physical charachteristics or attributes of a surface, encompassing both natural elements like mountains and rivers, and human-made structure like roads and buildings, constructive process - process that build up, create, or improve things, jetty - a strucutre extended into a sea, lake, or river to influence the current or tide or to protect a harbor, structure - how something is built, shaped, and/or organized, levee - a embarkement built to prevent the overflow of a river, storm drain - a drain to carry away excess water in times of heavy rain,

Changes in Earth's Surface

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