A heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis
Noun
a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis
Usage Examples
Climate change is a global issue - from the point of view of the Earth's climate, a molecule of CO2 emitted in Bejing is the same as a molecule emitted in Sydney.
Misspelled FormCO2, CO2, O2, CO2, CO2, C2, CO2, CO12, CO32, COq2, COw2, CO1, CO3, COq, COw, CO21, CO23, CO2q, CO2w.
Other Usage ExamplesOn the environmental front there's concern about global warming and high levels of carbon dioxide, and trees take in CO2 and store carbon.
The science is clear that there is an increase in the amount of CO2 in the atmosphere. What is not clear from the science is how much of that increase is caused by human activity and what also is not clear is what impact those increases have on the climatic cycle.