Earth magnetic poles are not in the same place as the geographic poles. True or false

Easy definition for atom and atomic mass

If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.

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 ?