You are presented with the question "Warming in a skillet causes a what in an egg?" and the following answer choices: 
- chemical reaction
 - egg formation
 - shell crack
 - They may not survive.
 - chemical ending
 - Chemical energy
 - Evaporation
 - looseness

Now knowing that heating an egg causes a chemical reaction in the egg and while pasta is cooking, warm the oil over medium heat in a large skillet, choose the best answer.


 

 chemical reaction        