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I. Direction: Read each item carefully. Encircle the letter of the correct answer. 1. Why rainforests are often called the lungs of the earth? A. it absorbs carbon dioxide B. it gives off oxygen C. both A and B D. it retains nitrogen 2. The following are importance of rainforests except one. Which is it? A. stabilize climate B.serves home for many plants and wildlife C. control flood, drought and erosion D. source of greenhouse effect 3. Deforestation is the biggest threat to rainforests. Which group is not a threat? A. Miners B. Farmers C. Tribal People D. McDonalds 4. Deforestation is caused when humans come and ... A. Plant trees B. Monitor the animals C. Cut down a few trees that are dying D. Cut down all of the trees in an area 5. What can you do to fight deforestation? A. Leave forests standing and plant more trees B. Reduce your use of products made from wood fiber including paper and cardboard C. Demand forest products from sustainable sources and deforestation free supply chains D. All of the above 6. Which is NOT a factor contributing to the loss of biodiversity? A. The planting of trees B. Urbanization C. Climate Change D. Over-exploitation of species 7. Where would you not expect to find a coral reef? A. near an island B. near the equator C. at the north pole D. near the coast 8. Which type of coral reef forms a ring around a lagoon of water? A. Fringe reef B. Barrier reef C. Atoll 9. Which type of coral reefs forms close to the shore line? A. Fringe reef B. Barrier reef C. Atoll
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