Answer:
1
Explanation:
The rest are wrong b/c it helped <em>expand</em> China rather than isolate it, they didn't use ships on the Silk Road, and it brought better communications, etc. between countries.
Siberia is a vast region, mostly in the territory of Russia, and it is divided into three large regions.
<em>
Western Siberian Plain/Lowland
</em>
Located between the Ural Mountains and the Yenisei River. Occupies the western part of Siberia, and it is mostly composed of lowlands covered with dense forest, the taiga. The northern part is dominated by the tundra.
<em>Central Siberian Plateau
</em>
Located between the Yenisei River and the Lena River. Occupies the central part of Siberia, and it is mostly dominated by a plateau which gains in height on the southern part and is lowering on the northern part. The lower parts are covered with the taiga, while the higher are barren. The northern part is dominated by the tundra.
<em>East Siberian Highlands
</em>
Located between the Lena River and the Pacific Ocean. Occupies the eastern part of Siberia, and the dominated land forms are the mountains, mostly the Kolyma Mountains. Depending on the elevation, the lower parts are covered with the taiga, while the higher are barren. The northern part is dominated by the tundra.
Based on the meteorological analysis, the natural process in which the massive amount of material in the atmosphere halt or stops is known as the "GreenHouse Effect."
This is because GreenHouse Effect is a natural process that occurs in the earth's atmosphere.
The GreenHouse Effect occurs when Sun’s radiation comes in contact with the Earth’s atmosphere.
During the contact, some of the massive solar radiation is stopped or halted and returned to space.
The rest of this massive solar radiation, however, is taken and re-radiated by the greenhouse gases.
Greenhouse gases include water vapor, carbon dioxide, methane, ozone, etc.
Hence, in this case, it is considered that GreenHouse Effect is a significant occurrence or process in the Earth's existence.
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