What are the inferred and temperature at the boundary of earths stiffer mantle and outer core

What is impossible to do with a hypothesis

What is the maximum number of electrons that an atomic orbital can contain?

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 ?