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.
Europe's largest underwater volcano at risk of collapse. The biggest underwater volcano in Europe could erupt at any moment and cause a tsunami, according to new research. For residents of southern Italy, the Marsili is just one more disaster threat to live with. Just off Italy's southwestern coast, about 450 meters beneath the Tyrrhenian Sea, lies Europe's largest underwater volcano. The Marsili volcano, which measures 70 kilometers long and 30 kilometers wide, made headlines worldwide recently after geologists uncovered disturbing new information.