Elevate example sentences

It is believed that these islands are an elevated portion of submarine mountains.It resists the attack by halogens, dihydrogen and most of the acids and metals even at elevated temperatures.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.A closer observation on a map will indicate that any elevated area, such as a mountain or an upland, separates two drainage basins.