Which question can be answered by science? (a). which type of candy tastes the best? (b). which kind of backpack do students purchase most often? (c). why are children happy when they get home from school? (d). why should we those less fortunate than us?

B. would be the answer

because u can use data to figure out which backpack is used the most

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 : ) 

It would be the equator