Why do you need a microscope to determine if something is living?

true is the

c. establishing proper sleep hygiene

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:

colors do exist. the color of the sky is actually violet; humans percieve the color of the sky as blue.