Question

phytoplankton produces what percentage of oxygen for the entire world? 60% 55% 50% 57% rewatch submit

Explanation:

Phytoplankton, through photosynthesis, is known to produce approximately 50% of the world's oxygen (some sources may have slight variations, but 50% is a widely accepted approximate value for this question's context).

Answer:

C. 50% (assuming the options are labeled A, B, C, D with A: 60%, B:55%, C:50%, D:57%)