- Created by: dippydoodaa
- Created on: 15-07-14 17:11
Volcanic activity released carbon dioxide and small amounts of ammonia, methane and hyrdogen. This volcanic activity also produced water vapour, which condensed as the earthed cooled, falling as rain and filling up the hollows in the crust to form oceans.
Primitive green plants such as single-cell algae evolved and the amount of carbon dioxide was reduced as the plants took it…