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.
Where. United States Hawaii. Mauna Kea (White Mountain) on the island of Hawaii, USA, is the world's tallest mountain. Measured from its submarine base in the Hawaiian Trough to its peak, it has a combined height of 10,205 m (33,480 ft) of which 4,205 m (13,796 ft) are above sea level. Pic: Alamy. Records change on a daily basis and are not immediately published online.