Wich action would most likely increase the amount of carbon in the environment

Cutting down trees

Explanation:

Of course this is just my opinion, but stopping the production of oxygen can greatly effect the carbon and oxygen ratio thus, increasing the level of carbon in the air. There are many different ways for the increase of carbon to take place but I think that cutting down trees has a major effect.

answer; i believe that the correct answer is (lung);

oak trees? ? what was listed