Answer:
A. selective pressures that favor certain individuals
Explanation:
The answer I think is the environment for this one. <span />
Genes involved in production of abnormal red blood cells may have an abnormal sequence of bases (nucleotides), like inherited alteration in the gene for JAK2, a protein with enzymatic activity that's linked to the abnormal production of blood cells.
Answer:
C
Explanation:
It experiences more evaporation due to the ocean being around 83 degrees farenheit