👉 Oxygen is an element that comprises about 78% of all matter in the universe, including water and oxygen gas. It is essential for life on Earth due to its role in cellular respiration and the production of energy through photosynthesis.
👉 Oxygen is an element that comprises about 78% of all matter in the universe, including water and oxygen gas. It is essential for life on Earth due to its role in cellular respiration and the production of energy through photosynthesis.
