How does you body get energy?
a)breaking down food molecules and building new molecules

b)converting light energy to chemical energy

c)converting water to nutrients

d)taking in oxygen from your lungs

breaking down food molecules and building new molecules

just finished the test, the answer is d, greg is the least cost-effective because he charges the most for the project

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: