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The following are the events in a story of how people have interacted with a landscape put into chronological order:
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1. Dense forest with large trees on steep hills: There were steep hills covered by forests made by large trees. The roots of these trees ceased soil erosion from happening.
2. Hand logging near lakes: People began to cut trees for wood but the pace was not as fact.
3. Mechanized logging throughout hills: Techniques of mechanized logging were developed and which helped in clearing the trees from over the hills within months.
4. Erosion fills lakes with silt: Clearing of forests from over the hills caused soil erosion and the silt from the hills flowed down with rainwater runoff.
Plates at our planet’s surface move because of the intense heat in the Earth’s core that causes molten rock in the mantle layer to move. It moves in a pattern called a convection cell that forms when warm material rises, cools, and eventually sink down. As the cooled material sinks down, it is warmed and rises again.
Armed conflict between the United States and the Soviet Union that led to the breakup of the Soviet Union.
Homo ergaster may have been the first human species to leave Africa and fossil remains show this species had expanded its range into southern Eurasia by 1.75 million years ago. Their descendents, Homo erectus, then spread eastward and were established in South East Asia by at least 1.6 million years ago.Oct 30, 2015
