Wetlands cover between 2 and 3.3 million square miles (5.3 and 8.6 million square kilometers) of the world's surface. Wetlands are sometimes known as "Earth's kidneys" because they help clean water. Learn more in Wetlands.
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Wetlands cover between 2 and 3.3 million square miles (5.3 and 8.6 million square kilometers) of the world's surface. Wetlands are sometimes known as "Earth's kidneys" because they help clean water. Learn more in Wetlands.
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Add this copy of Wetlands to cart. $8.95, good condition, Sold by ThriftBooks-Atlanta rated 5.0 out of 5 stars, ships from Austell, GA, UNITED STATES, published 2005 by Av2 by Weigl.
Add this copy of Wetlands (Biomes) to cart. $29.04, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Newport Coast, CA, UNITED STATES, published 2005 by Weigl Publishers.
Add this copy of Wetlands (Biomes) to cart. $50.70, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Newport Coast, CA, UNITED STATES, published 2005 by Weigl Pub Inc.