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.
With emerald green waters transparent to a depth of 50 to 60 meters, this area is also known as one of the greatest diving spots in the world. The largest island among the Kerama Islands is Tokashiki-jima, with a circumference of 20 kilometers. Two-hundred-meter-high hills covered with tropical vegetation abound. The highest mountain is Mt. Akama-yama, at a height of 227 meters it gives visitors a 360-degree panoramic view of the countryside.