Science, asked by ni9shwin9iskotanwar, 1 year ago

where do oxygen comes from

Answers

Answered by AngeLight
2
Oxygen is present in our atmosphere and mixed with other gases on the surroundings, green plants are also a major source of getting oxygen, they take carbon dioxide for making their food by photosynthesis and gives away oxygen, and pure air in return.
Answered by MissRao
2
Most of Earth's oxygen comes from tiny ocean plants are called phytoplankton.
Similar questions