Rare genetic disorders may become common in small populations through a. rapid environmental change c. genetic drift

b is dominant over the allele for the white fur.

the water is warmed up by the sun and then it evaporates into the atmosphere. the sunlight warms the water by its heat. water is then cooled down and condensation takes place. the water then finally returns back to the earth by the process of precipitation in the form of rain or ice.

explanation:

the correct answer is 2 and 4