Limestone

Definition

Limestone is a sedimentary rock that forms from the accumulation of shells, coral, and other organic materials. It is primarily composed of calcium carbonate.

Related terms

Karst Topography: Karst topography refers to landscapes formed by the dissolution of soluble rocks like limestone. It creates unique features such as sinkholes and underground caves.

Acid Rain:

Acid rain occurs when pollutants in the air react with water vapor, forming acidic compounds that can dissolve limestone and other rocks over time.

Fossil Fuels:

Fossil fuels like coal and oil are derived from ancient plants and animals that were buried and transformed into rock-like substances, including some types of limestone.