Q: In what country can some of the largest natural crystals be found?


Read this paragraph and choose the correct option from the provided answers:

Some of the largest, and most beautiful, natural crystals can be found in the Naica mine, in Mexico. These gypsum crystals were formed over thousands of years. Groundwater that is rich in calcium and sulfur flowed through an underground cave. Check it out:.

 Choices:

- spain

- germany

- canada

- mexico


A:
mexico