How could you confirm in the photosynthesis experiment that oxygen and glucose were not the cause behind the color change observed in the experiment, especially Tube P?

dude i stopped reading after the first 7 words but hey you seem real smart thats awesome have a great day

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation: