You are presented with the question "What do catalysts do?" and the following answer choices: 
- metabolic reaction
 - breathe
 - get chemical reactions started
 - Slowing the transfer of heat
 - A compound that donates proton
 - fertilize eggs
 - have a positive impact on the environment
 - inhibit chemical reactions

Now knowing that all chemical reactions require activation energy to get started and catalysts lower the activation energy for reactions, choose the best answer.


 

   get chemical reactions started      