You are presented with the question "what floor do organisms cluster around hydrothermal vents on?" and the following answer choices: 
- Pacific
 - small ponds
 - ground
 - limestone
 - sandstone
 - loose soil
 - atmosphere
 - crust

Now knowing that organisms cluster around hydrothermal vents in the ocean floor and largest of the oceans on Earth is the Pacific Ocean , choose the best answer.


 

 Pacific        