Using complete sentences, describe the chain of events that leads to the eutrophication of water systems .

the answer is trees if i'm not mistaken

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:

b is the answer and if you need further with anything message me