Belarus middle names Belarus middle names form the same way as Russian ones, in part due to general common history of the Russian and Belarus nationalities, and in part due to very close integration of all nationalities during the Soviet Union times.
The Earth's crust is an extremely thin layer of rock that makes up the outermost solid shell of our planet. In relative terms, it's thickness is like that of the skin of an apple. It amounts to less than half of 1 percent of the planet's total mass but plays a vital role in most of Earth's natural cycles.
Quick Answer. The Earth's crust is solid matter. Both oceanic and continental crusts are made entirely of rock. The former is primarily composed of denser material such as basalt, and it is, on average, 4 miles thick. In contrast, the continental crust is generally made up of lighter rock such as granite.