'Climatic variations' and 'Human activities' can be regarded as the two main causes of desertification. removal of the natural vegetation cover（by taking too much fuel wood）, agricultural activities in the vulnerable ecosystems of arid and semi-arid areas, which are thus strained beyond their capacity.
The climate is continental. cold winters and mild summers. hope this helped
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The Canadian Space Agency's Contribution
Canadarm2, a 17-metre-long robotic arm that assembled the modules and major components of the ISS in space. It is used to move large pieces of equipment and supplies, install science experiments, and even carry astronauts
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These planets are much larger than the inner planets and are made primarily of gases and liquids, so they are also called gas giants. ... Since the inner planets didn't have enough mass to hold on to these light gases, their hydrogen and helium floated away into space.
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