9. Sugar can melt, and sugar can dissolve. Which of the following best explains what happens at the particle level when melting or dissolving occurs?
A. Sugar melts when its particles get soft enough to turn into liquid.
B. Sugar dissolves when its particles are heated until the bonds holding them
together as a solid break.
C. Sugar dissolves when a liquid breaks particles away from the solid
substance.
D. Sugar melts when its particles change into another substance.