An increasing global population is putting greater stress on the supply of freshwater. Which process would increase availability of freshwater? (A) sedimentation (B) condensation (C) evaporation (D) desalination​

thinking it would be physical characteristics

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.

well, i believe that the answer is 2. : 3

your answer is going to be physical weathering