Answer:
The white powder is not sugar, so Christy's hypothesis is incorrect . Christy's next step should be to identify substances that have the measured molecular mass.
Explanation:
A homogeneous mixture has the same uniform appearance and composition throughout
A heterogeneous mixture consists of visibly different substances or phases.
Answer:
Freezing
Explanation:
It changed from a liquid to a solid and that process is call freezing
I say Answer choice A because it is a straight line and it hasn't gone under all those reactions yet.