You are presented with the question "What instrument measures in grams?" and the following answer choices: 
- sweating
 - A balance
 - heat energy
 - A ruler
 - nutrients
 - An anemometer
 - energy
 - A thermometer

Now knowing that abalance is used for measuring mass of an object and mass The base unit of mass is the gram, choose the best answer.


 

  A balance       