L'oxygène est mieux décrit comme un? UNE.
Élément rare

B.
Gaz rare

C.
Halogène

RÉ.
Non métallique

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 ?