Answer:
two tectonic plates are diverging away from each other, which causes new crust to be created at the boundary between these two plates.
Explanation:
The loss of top soil in very dry areas of the world is known as desertification. The correct option among all the options given in the question is option "B".<span>Desertification is
the phenomenon in which land degradation of a very dry region increases and the
water bodies typically dries up. This also results in not only loss of
vegetation but also animal life. This phenomenon can be caused not only due to
climate changes, but also due to human activities.</span>
I think it is
sand
silt
clay