Answer the following question: Fact 1: Coral reefs provide food and shelter to many ocean organisms. Fact 2: Oceans are important to life on Earth. Given the two facts above, what are coral reefs important to?

OPTIONS:
1). earth.
2). stories.
3). humans.
4). ghosts.
5). health.
6). Man.
7). moon.
8). animals.
Answer:
1).