The density of an object with a volume of 60.oml and a mass of 400.0g is
a. 0.150 g/ml
b. 2.89 g/ml
c. 5.50 g/ml
d. 6.67 g/ml

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: