What is the answer for
34

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.

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: