Decide which of these pairs of reactants react, and write word equations for the reactions: magnesium and copper oxide; zinc and magnesium oxide; zinc and copper sulfate solution.​

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 ?