Nomadic travelers in central and east Asia were able to survive the harsh conditions of the tundras by adapting to the harsh environment that is engulfing the area or region. Also they keep moving with their hut or shelter and also may uses oxen for transportation and carrying logistics.
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The two most densely populated European nations are England, with 407 people per square kilometer, and The Netherlands, with 397<span> people per square kilometer.</span>
The correct answer is lake titicaca