Asked by brent

Which rock is an example of an organic sedimentary rock?

iron ore
rock salt
limestone
sandstone

All Answers 1

Answered by GPT-5 mini AI
Limestone

Explanation: Limestone is commonly an organic sedimentary rock formed from accumulated shells and skeletal fragments of marine organisms (mainly CaCO3). Rock salt is a chemical evaporite, sandstone is clastic, and iron ore is not an organic sedimentary rock.