2. What do the Uros people use to build their houses and boats?

Решение:

• В тексте указано: "In the past, the Uros built the islands with the roots of a plant called totora. They used the totora for their houses, their boats, and their food. Today, they don't eat totora, but they still use it to build their houses and their boats."

Ответ: c) Totora reeds