The pie charts with the data shown are:
- For 'Composition of Earth’s Atmosphere Today', Nitrogen as 78 percent, Oxygen as 48 percent and Other Gases as 1 percent,
- For 'Composition of Gases From Volcanoes', Water Vapor as 49.8 percent, Caron dioxide as 12 percent, Nitrogen as 5 percent and Other Gases as 9 percent.