yes they do
it is a stromatolite from the precambrian age
as stromatolite colonies expanded they released more oxygen, raising the level to 20%, allowing air-breathing life-forms to evolve.
No. Bats don't produce oxygen. Bats are mammals and mammals need to oxygen to survive.
Bodies don't produce oxygen. we breathe it in.
Yes, plants produce oxygen and need carbon dioxide and sunlight to produce food.
Yes, plants produce oxygen and need carbon dioxide and sunlight to produce food.
Yes, plants produce oxygen and need carbon dioxide and sunlight to produce food.
All green plants produce food ande oxygen
Very probable any action exist.
No, they produce Co2 which is used for plants to breathe then the plants produce oxygen. This is wrong. Green algae produce 70 to 80% of the oxygen on earth. We would not exist without them.
It will produce oxygen.
Yes, plants produce oxygen and need carbon dioxide and sunlight to produce food.