I would say D is NOT one of the reasons why life is found only on Earth
With a country as big as Russia, it is hard to give you an accurate estimation. Siberia is known for some of the coldest winters in the world, reaching a very dangerous -35 degrees Celsius. The north pole of cold has a record breaking -69 degree celsius winters. over 65% of Russia is covered by permafrost. There is a humid continental climate as well.
Earth's geosphere contains 99.94% of its mass. Hope this helps!
Twilight zone because the twilight zone is the deepest part of the ocean
