where does most available oxygen come from?
a. The earth
b. Bodies of water
c. atmosphere
d. Plants​


Sagot :

Answer:

B. Bodies Of Water

OCEAN

At least half of Earth's oxygen comes from the ocean.

Scientists estimate that 50-80% of the oxygen production on Earth comes from the ocean. The majority of this production is from oceanic plankton — drifting plants, algae, and some bacteria that can photosynthesize.

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