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

Question I was asked: Electron transport in mitochondria results in a chemiosmotic gradient of which particle across the mitochondrial membrane?

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

Question I was asked: Which renewable energy resource possesses the greatest potential for providing renewable energy to meet the future needs of the southern United States?

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

Question I was asked:
What happens to the physical state of water when it freezes?