Question

in what form is carbon found in the atmosphere?
atp
h₂o
c₆h₁₂o₆
co₂

Explanation:

Carbon in the atmosphere is mainly in the form of carbon - dioxide ($CO_2$). ATP is an energy - carrying molecule, $H_2O$ is water, and $C_6H_{12}O_6$ is glucose which is not a major form of carbon in the atmosphere.

Answer:

$CO_2$