1.Coral looks like rock, doesn't it?
2. Coral and algae depend on each other to live, don't they?
3. Coral may feel tough,may not it?
4. The oceans are getting warmer, aren't they?
5. Water pollution hurts coral reefs, doesn't it?
6. We can help save the world's coral reefs ,can't we?
1.Coral looks like rock, doesn't it?
2. Coral and algae depend on each other to live, don't they?
3. Coral may feel tough,may not it?
4. The oceans are getting warmer, aren't they?
5. Water pollution hurts coral reefs, doesn't it?
6. We can help save the world's coral reefs ,can't we?