Can someone help with part B asap

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.

Sugar is dissolved in water. which is the solute? sugar neither both water

Which is true of a liquid? it has a definite volume but not a definite mass.it has a definite mass but not a definite volume.it has a definite volume but not a definite shape.it has a definite shape but not a definite volume.