Answer:
Option-(A): Carbon dioxide,CO₂.
Step-by-step explanation:
- As there are different levels of gases or more over elements been found inside the composition of the atmosphere,while different mixtures of gasses combines together to form the atmosphere for the planet Earth. For the CO₂ its is released as a waste product from most of the industrial process, along with which the compound is also released by the primary producers or we can say by the plants at night time when the perform the cellular respiration process for having a balanced level of energy system.
- And we human also excrete the optimum amount oxygen from our body in order to have a more balanced form of body mechanism.