Elevated example sentences

A closer observation on a map will indicate that any elevated area, such as a mountain or an upland, separates two drainage basins.It is believed that these islands are an elevated portion of submarine mountains.But besides the vast stretches of sands, that Sahara desert is covered with, there are also gravel plains and elevated plateaus with bare rocky surface.It resists the attack by halogens, dihydrogen and most of the acids and metals even at elevated temperatures.