It should be C.United States...Hope this helps
Solar radiation is radiation heat transfer into the biosphere and trapped by the plant to the form of chemical energy. The motion of air and gas in biosphere due to contact with cold or hot surface involve conduction and radiation. The wind <span>carrying heat is convection.</span>
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faults can cause sudden earthquakes when the tension of the tectonic plates build up and then releases
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the upper course, the middle course, and the lower course.