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Which indirect value of biodiversity will have the greatest economical value to people? A. A 20-hectare marshland that acts as a sponge for rainwater B. Forests that decrease erosion along the banks of rivers in Philippines C. A row of trees that act as a wind block, on the northwest side of our homes, decreasing our need for air conditioning and cooling systems in the summer D. 200 hectares of wetlands in Canada that soak up pollutants and purify water |
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Answer» use gases prevent RADIATION of infrared energy back into space, TRAPPING the heat near the Earth's surface and CAUSING the climate to warm. |
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