If molecules are small enough then

this is true is that what u needed

carbon atoms, hydrogen, oxygen, and nitrogen.

sex cells are usually half's then they find another half and make a fertilize egg

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: