- Resources for information
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- https://www.nationalgeographic.com/environment/habitats/grasslands/
- https://defenders.org/grasslands/temperate-grasslands
- https://defenders.org/grasslands/tropical-grasslands
- https://www.conserve-energy-future.com/temperate-grasslands-biome.php
- http://homeguides.sfgate.com/porous-soil-mean-75111.html
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