What is the term used to describe why clouds reflect a great deal of solar energy back to space?

Try Albedo (measure of how much light that hits a surface is reflected without being absorbed)

true. earthquakes are felt whenever there is a slip around a fault in the rocks below the earth. this reorientation of faults create sesmic waves and is known as earthquake, the severity of which is measured in richter scale. these are more prominent in hilly regions as the rocks usually form faults to balance the pressures on it.