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

Question I was asked: Many people like to use microwave ovens rather than traditional ovens. The main reason for this is that microwave ovens

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

Question I was asked: The sum of all chemical reactions in the human body is known as

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

Question I was asked:
Which characteristic is shared by Earth and the Moon?