Answer the following question given this paragraph: 

Life probably began in the oceans. No one knows exactly how or when. Life may have originated more than once. If life began before the Moon formed, that impact would have wiped it out. Then life would have had to originate again. Eventually conditions on Earth became less violent. The planet could support life.


Q: Life probably began where?

 Choices:

- rocks

- the Sun

- caves

- oceans

A:
oceans
