You are presented with the question "Where do colonies of coral form?" and the following answer choices: 
- Pink water
 - allow growth
 - Stale water
 - the environment
 - Flavored water
 - complex
 - Warm water
 - more abundant

Now knowing that corals form large colonies in shallow tropical water and some sea fish live in tropical waters, where the water is always warm, choose the best answer.


 

       Warm water  