Answer-
Red-green color blindness is a recessive trait and blue-yellow color blindness is a dominant trait.
Depending on which color blindness the genotypes would be,
red-green CB-
cc and cc
Or
Cc and cc
If it’s blue-yellow color blindness it would be
CC and CC
Or
CC and Cc
The answer is letter d, it is because when a person becomes obese, he or she is likely to intake small amounts of food if he or she wants to maintain his or her weight and if the person does not want to gain weight anymore and than it is more different when gaining weight or when the person was in the point to become obese because he or she has ingested more food to gain weight.
I'm pretty sure the answer is B. Invest in alternative energy sources that do not burn fossil fuels. The reason I would pick B is because in Antarctica the ice is melting more and more over time because, cars and factors etc are burning fuels which result in more damage to the ozone layer.