(WILL MARK BRAINLIEST & 95pts) Some scientists believe that the chain of underwater mountains beneath the Pacific, which stretches away from Hawaii up to Alaska, may have once included even more mountains. What probably happened to those mountains?
a. They were destroyed by a hot spot
b. They were subducted into the mantle
c. They became part of the mid-ocean ridge
d. They were flattened to become an abyssal plain

What types of jobs typically are found in ghetto, inner-city neighborhoods? a. low-wage positions, typically in retail outlets, that require little education b. professional positions with banks, doctors' offices, and other similar businesses c. hourly factory and manufacturing positions d. positions that require advanced education, such as those in financial or technology firms select the best answer from the choices provided.