Answer:
Its D. role of carbon dioxide in photosynthesis.
Explanation:
I know its right bc I just got that question.
Answer: The open ocean zone lies beyond the continental slope and contains 65% of the water in the oceans. This zone is divided further into three subzones. The sunlit zone is where photosynthesis takes place. Plankton and jellyfish are drifters that inhabit this zone.
Explanation: