4. As the Earth warms, increased evaporation produces more civuus, increase albedo, reflecting more light away from the Earth, temperature falls,
rates of evaporation fall.
Is this a positive or negative feedback mechanism
Explain why

a. the production of carbon dioxide through the process of photosynthesis

i think the answer would d

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:

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).   so the answer is a.