About what percentage of photosynthesis is carried by terrestrial plants, while the rest occurs in ocean, lakes, and ponds?

Explanation

90% of total photosynthesis is carried out by aquatic plants. Most of them are marine algae, which account for nearly 80%. The rest is produced by freshwater algae about 10%. Only the remaining 10% of total photosynthesis is performed by land plants.Hence, B is the correct option.