orally. as in passed on by word of mouth.
<span>The formation of a mountain belt is a thickening of the earths crust, and are usually formed due to the activity of tectonic plates, so moving together and pushing against each other which is raises the land to create a mountain belt. it can happen wherever the tectonic plates meet, so it could be in the center of a continent.
hope that helps !!!</span>
They protected the Bombers by escorting them and protecting them against enemy fighters. Hope this helped :)
