D. Phenotype because a phenotype is observable traits
The wastes would build up in your blood, and can cause serious damage. You can also have serious infections and pain if your kidney is not functioning properly.
There are 6 elements that are the most important. The acronym, CHNOPS, is an easy way to remember these.
C - Carbon
H - Hydrogen
N - Nitrogen
O - Oxygen
P - Phosphorous
S - Sulfur
0% considering you didn't insert the question...
It would be nitrogen, oxygen, and carbon dioxide (:
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