The answer is A. Deflation is the erosion of soil, where sand, small rocks and dust its moved by wind from its original location.
Estuary is a partly enclosed coastal body of water by which river water is mixed with seawater. In a broad sense, the estuarine setting<span> is defined by
salinity boundaries instead of geographic boundaries. The word estuary is derived
from the Latin words aestus (“the tide”)
and aestuo (“boil”), signifying
the effect produced when tidal flow and river flow meet.</span>
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Im confused on what the question is that you are asking.