Which process can wear down rocks and landforms through the action of water, wind or ice?

Which landform is generally a high area with steep slopes and peaks? Social Science · Landforms and Life A broad area of relatively flat land is called a: Social Science · Landforms and Life Which landform is elevated but often has a comparatively flat top? Social Science · Landforms and Life Why have plains often supported dense human settlements? Social Science · Landforms and Life