It absorbs all the Co2 and gives out oxigen
The Oceans, as a whole, absorb most of the atmosphere's CO2.
It absorbs Co2 through the process of Photosythisis.
MDEA is a base and H2S/CO2 are acids in water
Almost all of them.
It absorbs CO2
each and every cell
some, but much less than the amount it absorbs. Also, as an alternative to fertilizer, it reduces co2 (fertilizer production admits a lot of co2)
Carbon dioxide, not the best green house gas but by far the most abundantMethane.
Co2 & Cl3
It absorbs energy.
Vegetation does not eat it makes its own food using CO2 form the air, Water and sunlight. There are however some plants that trap animals to boost their nitrogen uptake by trapping insects (for instance the Venus Fly Trap).