How to seorate watet and oil.

In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering

Light waves are as they pass through the