Question : Limestone is a type of______.
Option 1: sedimentary rock
Option 2: metamorphic rock
Option 3: igneous rock
Option 4: volcanic rock
Correct Answer: sedimentary rock
Solution : The correct answer is sedimentary rock .
Limestone is a type of sedimentary rock. It is composed of the mineral calcite (calcium carbonate) and often contains fossils, shells and other organic remains. Sedimentary rocks like limestone form over time through the accumulation and compaction of mineral and organic particles, typically in marine environments.
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