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 island is the result of two separate shield volcanoes: WaiÊ»anae and KoÊ»olau, with a broad valley or saddle (the central OÊ»ahu Plain) between them. The highest point is KaÊ»ala in the WaiÊ»anae Range, rising to 4,003 feet (1,220 m) above sea level.