Extracted text: a) What are the tasks of a geological engineer, or what is the relationship of geology to civil engineering? b) What are the classifications of the crystal structure in which the solid crystals are located! Their number with explanation a) What are the components of the lithosphere crust? Their number with the explanation b) The igneous rocks are divided according to the Lebanese form into several shapes, their number with the explanation e) Divide the solid products of volcanoes into several sections, their number with explanation?