You are presented with the question "Toasters can get energy from what?" and the following answer choices: 
- heating liquids
 - Protons
 - chemical messengers
 - enormous damage to homes
 - Combustion
 - transportation technology
 - Electric generators
 - Food

Now knowing that atoaster converts electrical energy into heat energy for toasting and electric generators convert mechanical energy into electric energy, choose the best answer.


 

       Electric generators  