Exercise 3: People call the Amazon tropical

Exercise 3. Match to make meaningful sentences. 

Dịch nghĩa

Đáp án:
1. e. People call the Amazon tropical forest the "lungs of the Earth" because it gives us lots of oxygen. 
2. g. Planting trees is a simple way to fight climate change because trees absorb carbon dioxide. 
3. a. Milk from cows is a raw material used to make cheese and other dairy products. 
4. f. Governments are working to protect the coral reef because it's home to lots of different sea animals.
5. b. At the national park, we had a picnic and listened to the sounds of birds and insects. 
6. d. Tours help people understand why it's important to take care of the living things in the tropical  forest. 
7. c. In a desert, plants like cacti can be at the start of the food chain, providing food for animals like  mice.