You are presented with the question "What can graduated cylinders be used for?" and the following answer choices: 
- A transportation fuel
 - reusing materials
 - igniting fuel and oxidiser
 - Electrical energy
 - measuring volume of water
 - Burning fuel and air
 - heat production
 - it keeps an organism warm

Now knowing that agraduated cylinder is used to measure volume of a liquid and water is also a liquid, choose the best answer.


 

     measuring volume of water    