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Reference.com/Encyclopedia/Mountain range |
 | | Individual mountains within the same mountain range do not necessarily have the same geology; they may be a mix of different orogeny, for example volcanoes, uplifted mountains or fold mountains and may, therefore, be of different rock. |
 | | Singular mountains are often the result of volcanic processes but, in some instances such as the Hawaiian Islands, these processes can result in a chain of mountains that might be considered a mountain range. |
 | | Mountain ranges can support different terrestrial biomes, at varying altitudes: at the bottom, they may have grassland, then a coniferous forest or boreal forest, then tundra at the top. |
| www.reference.com /browse/wiki/Mountain_chain (385 words) |
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