Which of these outcomes is conclusive evidence that mixing sugar in water is a physical change?

there is no change in color.

there is no precipitate formed.

there is no gas given off.

there is no molecular change.

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 ?