Earth's Second Atmosphere The second atmosphere, which was the first to stay with the planet, formed from volcanic outgassing and comet ices. This atmosphere had lots of water vapor, carbon dioxide, nitrogen, and methane but almost no oxygen.
Second answer. the cold war is the last of all ths given events
I wanna say the first answer
- drought killed off plant life, leaving soil uncovered.
dust storms can't happen unless there is a huge amount of land that is uncovered and has a lot of soil and dirt and dust.
