769g of GaBr2 will produce how much NaBr?

Why is permeable soil best for plants that need a lot of drainage?

Why are people not able to skip a dive to the deepest part of the ocean

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 ?