Answer:
Sure, here are 10 facts about limestone:
1. Limestone is a sedimentary rock that is primarily composed of calcium carbonate.
2. It forms from the accumulation of calcium carbonate shells and remains of marine organisms like corals, shells, and skeletons.
3. Limestone is typically white, but it can also be gray, yellow, or brown, depending on the minerals that are present.
4. Limestone is commonly used as a building material and in the manufacturing of cement, concrete, and lime.
5. The Great Pyramids of Giza, Egypt, are made of limestone.
6. Limestone can be found in many parts of the world, including the United States, China, and Italy.
7. Acid rain can dissolve limestone and cause it to deteriorate over time.
8. Some limestone formations, such as stalactites and stalagmites, are created by the precipitation of calcium carbonate from dripping water in caves.
9. Limestone is also used as a filler in products such as paint, rubber, and plastics.
10. Limestone is an important source of fossils and can provide scientists with valuable information about past environments and organisms.