Why is Amazon Rainforest called “Lungs of the planet”? A. It provides much of our air. B. It uses much of the world’s oxygen. C. It helps us breathe. D. It helps circulation.Đoạn văn42/50Why is Amazon Rainforest called “Lungs of the planet”?It provides much of our air.It uses much of the world’s oxygen.It helps us breathe.It helps circulation.Giải thíchChọn A