Answer 8-9 please. And 13

Which of the following systems in absorbing oxygen and releases carbon dioxide

Afisherman is dragging his boat from the shore out into the ocean. match the following lists of areas he will move over in the correct order. continental rise continental slope continental shelf [tex]1.[/tex] [tex]2.[/tex] [tex]3.[/tex]

What term describes a doctor who becomes a specialist by meeting standards beyond those of getting a license and passing a test in the specialty area?