One of the most common chemicals connected to calcium is called “carbonate”, and together they make calcium carbonate. Calcium carbonate is in eggshells, seashells, a rock called marble, and in ...

"This is one of the first demonstrations of microbial dissolution of calcium carbonate at a higher pH," said Karrie Weber, professor of biological sciences and Earth and atmospheric sciences.

Can you peel a raw egg and then make it bounce ... Egg shell is made of calcium carbonate. When the two come together they create a chemical reaction that breaks down the calcium carbonate ...