The inner core is solid because it is made of very dense, or heavy, materials - like iron and nickel. Even though it is very hot, these materials don't "melt" very easily, so they stay solid. Also, pressure due to the weight of the mantle and crust, atoms are forced together as solid.
Yes there are rocks under the sea. The entire crust of the earth, including the parts covered by the ocean, is made of rock. ... Some kinds of rocks FORM from seawater and settle on the seafloor. Limestone forms by chemical precipitation from seawater.
A community of men dedicated to living a holy life of prayer and manual labor is an accurate description of a monastery. The correct option among all the options that are given in the question is the last option or option "D". I hope that this is the answer you were looking for and hope that it comes to your help.