Technician a says that one reason to you several small valves instead of two large valves is to increase the size of the open port when the valves are open technician B says that the area of two small Val added together is often smaller than the area of one large mouth who was right

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?