Which statement is true regarding oxygen in seawater in Badalpur

Which statement is true regarding oxygen in seawater?

a)there is less in the ocean compared to the atmosphere and may limit the distribution of some animals.

b)there is less in the ocean compared to the atmosphere because of the oxidation of metal ions in seawater

c)there is more in the ocean compared to the atmosphere because it is added by the respiration of animals

d)there is more in the ocean compared to the atmosphere because of of decomposition of plant and animal remains

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