Jessie has never seen snow, but today the weather conditions may be just right! he knows the temperature on the fahrenheit thermometer must be degrees or lower for him to see his first snow fall. a) 32 o b) 20 o c) -10 0 d) -32 0

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 ?