Coral limestone are examples of rocks whose formation is not explained by the rock cycle. Corals are tiny marine organisms that absorb carbon dioxide dissolved in sea water and use this to secrete hard skeletons of calcium carbonate. These organisms can build massive reef structures over the course of thousands of years.
The city-states of Mesopotamia were independent cities built around temples and totally self-contained within fearsome perimeter walls.
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In Mars, there are only (C) 2 Moons. These moons are named as Phobos and Deimos. These 2 moons are discovered by Asaph Hall in which their names are gotten from Greek mythology. Since Mars is considered or named after the god of War, Ares. Then, his sons, Phobos and Deimos got the moons.
I believe it would be the United States.. Alaska is at the north eastern tip of Russia
