An ecosystem is like a machine that cycles matter by using

An ecosystem is like a machine that cycles matter by using: captured energy.

Hope this helps (:

Is their a picture that goes along with it? ?

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 : )