Phylum is a principal taxonomic category that is ranked below the kingdom and above the class. If two organisms are in the same phylum, this means that they are also in the same kingdom. Each phylum is composed of one or more classes.
<span>The first carbon dioxide is produced in between glycolysis and the Krebs/citric acid cycle. </span>
It would be d because you could get it again but it would be a different kind