The answer is B !
Isotonic solution is the solution in which both sides the concentration of the solute is same !
Codominance is a form of dominance where alleles of a gene pair in heterozygous is completely expressed resulting to offsprings with a phenotype that is neither dominant or recessive. Incomplete dominance is a form of dominance in which one allele of a specific trait is not completely expressed over its paired allele resulting to a third phenotype in which the physical trait is a combination of the phenotypes of both alleles. Therefore, they are similar in that in both combine homozygous dominant and homozygous recessive. They are different in that in codominance shows both, heterozygous while incomplete dominance shows mixture or blend, new trait and heterozygous.
Cliffs don't form in wet climates because they will become mud and eventually fall, causing a mudslide.
