A or an is any trace of an ancient organism persevered in rock due tomorrow s I have like 30 min left

a fossil i think idk lm ao

Explanation:

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:

other information encoded in your genes might distinguish you from the others in the group