A student puts some sugar in a glass of water and stirs until the sugar is dissolved. Why is sugar dissolving in water an example of a physical change?
O because the sugar and water are both clear
B. because the sugar gives off gas bubbles when it is dissolved in the water
O c because the student started with sugar and water, and ended with sugar and water
O D. because the sugar and water molecules break apart, and then recombine in different ways