29. What would happen to the two liquid materials that do not mix?
A. It forms two layers.
B. It forms one layer.
C. it looks the same.
D. It does not look the same

30. What do you call the phase of matter that has no definite shape and it follows the shape of its container.
A.gas
B. liquid
C. mixture
D. solid




(nonsense=report) ​