193k views
1 vote
We inhale o2 and we exhale co2. carbon dioxide is produced _____.

1 Answer

3 votes
There are both natural and human sources of carbon dioxide emissions. Natural sources include decomposition, ocean release and respiration. Human sources come from activities like cement production, deforestation as well as the burning of fossil fuels like coal, oil and natural gas.
User Luketorjussen
by
8.0k points