Lecture 1-Nats 101
37
Sources
vegetative decay
volcanic eruptions
animal exhalation
combustion of fossil fuels
(CH
4
+ 2 O
2
> 2 H
2
O + CO
2
)
Sinks
photosynthesis (oxygen production)
dissolves in water
phytoplankton absorption (limestone formation)
Carbon Dioxide CO
2