Answer:
coal
Step-by-step explanation:
Coal is a sedimentary rock formed over millions of years from compressed plants. Inorganic detrital rocks, on the other hand, are formed from broken up pieces of other rocks, not from living things. These rocks are often called clastic sedimentary rocks. One of the best-known clastic sedimentary rocks is sandstone.
sandstone, limestone, shale
Chemical sedimentary rocks: rock salt, iron ore, chert, flint, some dolomites, and some limestones
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