Starch is found in rice, potatoes, and other carbohydrates common in the diet of human beings. Remember thal domestication means an association with human beings. Use the process of of natural selection to explain how dogs acquired a superior ability to digest starch.

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 : )