It covers around 1,200,000 square miles.
https://www.britannica.com/place/West-Siberian-Plain
They form in the ocean where undersea volcanoes are errupting. The magma turning into lava piles up on top of itself over lots of time to form land.
Answer:
Well, Jupiter and Saturn are mostly comprised of Hydrogen and Helium.
Neptune on the other hand is made mostly comprised of Methane.
and Uranus is made of..................................................................................................................................................................................................
Methane as well
Competition among nations for control of fresh water sources is your answer I believe.
-Ama
The first answer choices.