Question

What is oxygen and how oxygen is produced​

Answer 1

Answer:

Oxygen is the air or gas for respiration.

Explanation:

Oxygen can be produced from a number of materials, using several different methods. The most common natural method is photo-synthesis, in which plants use sunlight convert carbon dioxide in the air into oxygen. This offsets the respiration process, in which animals convert oxygen in the air back into carbon dioxide.

Answer 2

Answer:

Oxygen is essential for all living things.

Oxygen is produced by photosynthesis carried out by plants.