In section 12.3, "laws of inheritance," an example of epistasis was given for the summer squash. cross white wwyy heterozygotes to prove the phenotypic ratio of 12 white: 3 yellow: 1 green that was given in the text.

What is the question? if you were looking to design a method of separating something, you can separate this compound by putting both in water and allowing the water to dissolve the sugar. then pour it into another beaker and evaporate it then boom! salt and sugar : ) 

Ithink the answer is b
not sure

Yes yes yes very good