Please answer the following question: Q: What gems are created by mollusks, such as oysters? Read this paragraph and choose the correct option from the provided answers: Pearls are highly valued as gemstones. Most gemstones come from the Earth, but pearls come from living things. They are created by mollusks, such as oysters. Choices: - crystals - turquoise - diamonds - pearls A:
A:
pearls