In the atmosphere carbon exists in the form of, a. \( \mathrm{CO} \) only b. \( \mathrm{CO} \) i...

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In the atmosphere carbon exists in the form of,
a. \( \mathrm{CO} \) only
b. \( \mathrm{CO} \) in traces and \( \mathrm{CO}_{2} \)
c. \( \mathrm{CO}_{2} \) only
d. Graphite
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