<span>the one that is nor released by trees into the atmosphere is : Ozone
Ozone is the layer beneath the atmosphere that protected us from the harm of direct sunlight.
Ozone is already exist within the earth and not created by organisms. We only produce the substance that potentially destroy it</span>
Answer:
The correct answer is sodium.
Explanation:
First of all sodium do not act as a functional group and second sodium has high tendency to form bond with high electronegative element.Carbon is not an electronegative element.
The other mentioned functional groups in the question such as hydoxyl group,phosphate group and carbonyl group can easily form bond with carbon atom.