Agraduated cylinder is used to measure volume of a liquid, and most of the earth's water is liquid. Given these facts, what can be used to measure the volume of water among the following options:
- Spring Loaded Cylinder
 - Tape Measure
 - watershred
 - Earth orbiting the Sun
 - an electron lens
 - a graduated cylinder
 - an electron microscope
 - Ruler


 

      a graduated cylinder   