Complete the sentences according to the text.

1. There are forests in South America, Africa, and Asia. 2. Many animals live in rainforests. 3. There are many different plants and high trees there. 4. In rainforests a lot of animals live in trees. 5. The trees and other plants help to control the weather. 6. Trees and plants are very important for everything alive. 7. Another serious problem today is the sea. 8. People in many countries are trying to protect dolphins and whales.