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5 days ago · The human presence in the Rocky Mountains has been dated to between 10,000 and 8,000 BCE. First Nations and Native American peoples still inhabiting the northern ranges of the Rocky Mountains in modern times include the Shuswap and Kutenai of British Columbia, Coeur d’Alene and Nez Percé of Idaho, and Salish of Montana.
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Did You Know? The Rocky Mountain National Park is six times...
- Montana
Montana, constituent state of the United States of...
- The People
The human presence in the Rocky Mountains has been dated to...
- Environmental Concerns
The Rocky Mountains were one of the last regions in North...
- Rocky Mountain Trench
Rocky Mountain Trench, geological depression extending...
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4 days ago · Three-fifths of the Arctic terrain is outside the zones of permanent ice. The brevity of the Arctic summer is partly compensated by the long daily duration of summer sunshine. International interest in the Arctic and subarctic regions steadily increased during the 20th century, particularly since World War II. Three major factors are involved ...
3 days ago · The Alps form part of France, Italy, Switzerland, Germany, Austria, Slovenia, Croatia, Bosnia and Herzegovina, Montenegro, Serbia, and Albania. Only Switzerland and Austria can be considered true Alpine countries, however. Some 750 miles (1,200 kilometres) long and more than 125 miles wide at their broadest point between Garmisch-Partenkirchen ...
2 days ago · The history of Earth is divided into four great eons, starting 4,540 mya with the formation of the planet. Each eon saw the most significant changes in Earth's composition, climate and life. Each eon is subsequently divided into eras, which in turn are divided into periods, which are further divided into epochs . Eon.
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4 days ago · The Cretaceous ( IPA: / krɪˈteɪʃəs / krih-TAY-shəss) [2] is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of the entire Phanerozoic. The name is derived from the ...
3 days ago · 22. Sperm cells are the smallest cells in the human body, while egg cells are the largest. This size difference is one of nature's many fascinating contrasts. 23. The average lifespan of a sperm cell in the female reproductive tract is about 5 days, providing a brief window for fertilization to occur. 24.
5 days ago · The Human Terrain Teams (HTS), launched in 2007, recruited anthropologists, sociologists, and regional experts to provide U.S. military commanders and staff with a better understanding of local populations. [216] The American Anthropological Association’s Executive Board issued a statement on October 31, 2007, noting that “information ...
