which main type of sedimentary rock forms from dead plant and animal material?\nchemical\nclastic\norganic\ns…

Brief Explanations:

Organic sedimentary rocks are formed from the accumulation and lithification of dead plant and animal material. Chemical sedimentary rocks form from the precipitation of minerals from solution, clastic sedimentary rocks are made of fragments of pre - existing rocks, and shale is a type of clastic sedimentary rock.

Answer:

organic