which sedimentary rock contains compacted seashells?\nlimestone\ngranite\ncoal\nmarble

which sedimentary rock contains compacted seashells?\nlimestone\ngranite\ncoal\nmarble
Answer
Brief Explanations:
Limestone is a sedimentary rock often formed from the compaction of shells, coral, and other marine - derived calcium - rich materials. Granite is an igneous rock, coal is an organic sedimentary rock mainly composed of carbon from plant material, and marble is a metamorphic rock.
Answer:
A. Limestone