How are they formed?
Sedimentary rocks are formed in seas and/or rivers when layers of eroded rocks and parts of the earth are pressed together and then harden forming sedimentary rocks.
What do they look like?
Sedimentary rocks have a layered appereance due to the layering of eroded rocks which mounts up before it hardens. there are often bits of fossilised plants or animals and we can use them to date the rock.
Sedimentary rocks are very soft which means they are easily eroded by the weather. the wind, sun and rain erode the face of the rock down to the next level.
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