Answered

which produce 80% of the oxygen that we breathe A. Salt water B.groundwater A.freshwater brainly

Sagot :

Trixiieeviz

Answer:

A. Saltwater

Explanation:

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.

Answer:

I think the answer is letter A. Salt water