Journey into the Shimmering World of Pearls

What is the chemical compound that pearls, urchin spines, mussel shells, snail shells, clams shells, and coral are made of?

Where is calcium carbonate commonly found?

How does calcium carbonate form different materials?

What happens when carbon dioxide in the air interacts with seawater?

Where are calcium-rich basalts found?

True or false: Pearls are made of the same material as the shell that surrounds them.

True or false: Calcium carbonate is common on land and in the sea.

True or false: Calcium deposits have seeped into rivers and oceans over millennia.

True or false: Calcium-rich basalts are found near hydrothermal vents.

True or false: When carbon dioxide in the air interacts with seawater, it forms calcium carbonate.