At point X, the carbon is most likely to be in which form, carbon dioxide. The correct option is d.
What is carbon dioxide?
Carbon dioxide is a gas that is present in the atmosphere at 0.003%. It is the byproduct of animals, and it is consumed by plants, plants make their food with the help of carbon dioxide.
The X is present in the atmosphere, the carbon dioxide is present in the atmosphere in free form.
Thus, option d. Carbon dioxide is correct.
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