the correct answers are People depend on the atmosphere for the air they breathe. It screens out the sun's ultraviolet rays. Warm air has more moisture content than cool air.
The two factors, Temperature and Pressure, have the greatest influence on the state of each of Earth's layers.
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The correct answer is c. almost encircles the Ordos desert.
The Huang He River has an interesting circle like movement around the western, northern and eastern part of the Ordos desert, which almost makes it look like it is wrapping the Ordos desert around with it's waters.
