The lowering of land surface caused by wind best describes
deflation as it relates to earth science. So for the given question, the right
option will be option “D”. The word deflation can be used in a variety of ways.
In case of finances, this is a commonly used term and is the opposite of
inflation. In case using this word in relation to earth, it can be used to
describe the erosion of loose materials by the force of wind from dry and flat
areas like the deserts.