I. Read the following passage and answer the questions below.
Tropical rain forest are found in Amazon region of South America, central America, Africa, and Southeast Asia. Rain forests are very important to the world's climate. The Amazon rain forests alone received bout 30 to 40 percent of the total rainfall on the earth and produce about the same percentage of the world's oxygen. Some scientists believe that the decreasing size of rain forests will affect the climate on the earth, making it uncomfortable or even dangerous for life. Saving our rain forests is an international problem. One country or even a few countries can not solve the problem alone. The nations of the world must work together to find a solution before it is too late.
Questions
1. Where are tropical rain forests found?
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2. How are rain forests to the world's climate?
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3. How much percent of the world's oxygen does Amazon rain forests produce?
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4. What do scientists think about the decreasing size of rain forests?
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5. Is saving our rain forests only a national problem?
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Loga
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