wrote her letters in a colloquial style / the broken syntax and casual enunciation of conversational English Similar: informal (used of spoken and written language)
Best Answer: The mid-oceanic ridge can be described as the longest mountain range. It includes the Mid-Atlantic ridge, and all other such ridges. They form a complete system that is 65000 km long. The Mariana's Trench is the deepest. It's 11.03 kilometres deep. I don't know how you define underwater mountain.
The longest mountain range in the United States is the Appalachian Mountain range. That would be the Rocky Mountains located on the western part of the US and Canada. the largest moutain range in the world is the rocky moutain range. Fb.15379529326863.