I just took a test in school today. What question was I asked?

Question I was asked: What happens when oil and water are mixed?

I just took a test in school today. What question was I asked?

Question I was asked: In which object does chemical energy most likely transform into electrical energy?

I just took a test in school today. What question was I asked?

Question I was asked:
Organisms that consume wastes to obtain the nutrients they need to survive are classified as