Question

name the proceses by which atmospheric oxygen is used ​

Answer 1

Answer:

● Photosynthesis is the proceses by which atmospheric oxygen is used .

Answer 2

Hope this helps!

Plants and animals use oxygen to respire and return it to the air and water as carbon dioxide (CO2). CO2 is then taken up by algae and terrestrial green plants and converted into carbohydrates during the process of photosynthesis