Write a net ionic equation for the reaction that occurs when aqueous solutions of barium hydroxide and hydrofluoric acid are combined. Include solubility states and remove spectator ions

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 ?