Sand sheets and dunes cover approximately 25 percent of the Sahara's surface.
I’m not sure exactly what you’re looking for, but the US spent $15m dollars and gained 54% of Mexico’s pre-1836 territory. There’s a nice article on Wikipedia called ‘Mexican Cession’ that seems helpful. Hope this is helpful :)
it would be E because the smaller circle at the top of the topographic map shows the top of the mountain and the circles around it evenly spread out which be example E
