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The Orinoco River is one of the longest rivers in the world. Many lives depend on this river. Many people, animals and plants live in or near the water. However, things are …
There is a silk factory in Florence, Italy, where workers use ancient machines to create beautiful silk cloth. Other factories have modernized and use newer machines but the …
Global warming and the overuse of available traditional fuels have created an environmental crisis. In, Colorado, however, scientists in the windy Rocky Mountains have found …