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Tropical rain forests can be home to almost as many different trees as can be found in all the forests of Canada and the United States. |
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Even in a small patch of tropical rain forest, there can be found almost as many different species of trees as there are in all the forests of Canada and the United States. |
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In only a small patch of a tropical rain forest, there aren't as many different species of trees as there are in all the forests of Canada and the United States. |
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There are a lot more different species of trees in a small patch of a tropical rain forest than there are in all the forests of Canada and the United States. |
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Although Canada and the United States have rich forests, the number of tree species that live in them are not as many as those that can be found in a small patch of a tropical rain forest. |