Question

What does carbon dioxide do when released into the air

Answer 1

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.
       hopes this helps 

Answer 2

It dissolved into water, then plants uses that carbon create glucose (sugar). Hope this helped