Answer:
Carbon dioxide from volcanic activity became a major part of the atmosphere.
Explanation:
Oxidation - the breakdown of rock by oxygen and water, often giving iron-rich rocks a rusty-coloured weathered surface.
Japan is a small isle chain with millions of people due to the fact it is mainly arable (It allows for agriculture), but the fact is the increase technology brings up the population of Japan. Japan is also still influx of population by World war 2, as they had MILLIONS upon MILLIONS die on different isles, lands, etc. They also had a major emigration after WWII.
No it was not counted as a plant fir it is a dwarf planet