You are presented with the question "What can create carcinogens?" and the following answer choices: 
- Pesticides
 - imagination
 - Electrical energy
 - wealth
 - some viruses
 - Abnormal cell growth
 - need
 - one celled organisms

Now knowing that atoaster converts electrical energy into heat energy for toasting and toasting bread creates carcinogens, choose the best answer.


 

   Electrical energy      