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What is Limestone (CaCO3 Calcium Carbonate)?

A: Cryptocrystalline quartz on the ocean floor

B: An ocean lava that creates islands

C: An ocean sedimentary rock formed from the shells of dead organisms

D: A clastic sedimentary rock deposited into the ocean from rivers

Respuesta :

Answer:

C: An ocean sedimentary rock formed from the dhells of dead organisms

Answer:

C

Explanation:

Limestone, otherwise known as Calcium Carbonate, is an ocean sedimentary rock formed from the shells of dead organisms.

When these animals die, their shell and skeletal debris accumulate as a sediment that might be lithified into limestone. Limestones formed from this type of sediment are biological sedimentary rocks.