Such groups include hunter-gatherers, pastoral nomads (owning livestock), and tinkers or trader nomads. In the twentieth century, population of nomadic pastoral tribes slowly decreased, reaching to an estimated 30–40 million nomads in the world as of 1995.
Homesteaders faced the problem of constructing shelter very quickly. To
do so, they often constructed simple cabins. Some also made use of what
was in their environment and built sod houses. These houses had the
advantage of being inexpensive to build, as the homesteaders only needed
to buy materials for constructing the windows, a door, and sometimes a
roof, and sod was cool in the summer and warm in the winter.
Answer:
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Explanation:
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They migrate due to altitudes during different times of the season
Answer:
Explanation:
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