1. It's in Amazon region of South America, Central America, Africa, South and South East Asia.
(Tropical rain forests are found in Amazon region of South America, Central America, Africa, South and South East Asia.)
2. It's about 30 to 40 percent.
(The Amazon rain forests alone receive about 30 to 40 percent of the total rainfall on the earth ...)
3. Yes, it will.
(Some scientists believe that the decrease size of rain forests will affect the climate on the earth, making it uncomfortable or even dangerous for life.)
4. No, it isn't.
(The nations of the world must work together to find a solution before it is too late.)