Which sequence shows the transfer of oxygen for use by the body? cellular respiration, blood, lungs, air air, lungs, digestive tract, cellular respiration air, lungs, blood, cells, cellular respiration food, digestive tract, cells, cellular respiration

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:

if you know your abc's you should be able to get your answer or just use google

the answer is c a tornado