<span>The answer is Letter D. It is written in a tone that is appropriate for an explanatory essay than the other letters. Since the letters a,b,c, is informal for an explanatory essay. Letter D. explains the Neolithic Revolution with formality and proper use of words, than the other letters.</span>
<span>Mount Narodnaya
<span>Elevation: <span>1,895 m (6,217 ft)</span></span></span>
They captured Ethiopia to expand the Italian economy
