No. The oxygen in crustal rock is naturally occurring. Oxygen in the atmosphere, however, is due mostly to photosynthesis.
Algae. Their net release of oxygen is greater than the amount produced by all land-based plants together. Most of the Earth's oxygen is produced by plants, both on surface and under water.
Without life because when plants do photosynthesis, they produce oxygen.
Oxygen in Earth's atmosphere is primarily produced through photosynthesis by plants, algae, and cyanobacteria. During photosynthesis, these organisms use sunlight to convert carbon dioxide and water into glucose and oxygen. Approximately half of the oxygen in Earth's atmosphere is produced by phytoplankton in the ocean.
Plants
The process is very well-known in Biology called the Photosynthesis. It plays an role in plants because plants get it energy from sun.
because if we destroy them there may be a day when we will not have enough oxygen as we depend on plant for oxygen so we wont just be killing earths plants but we are also killing our selfs x
If all the plants in the world die, then we could'nt breath, because no oxygen would be produced
The early Earth's atmosphere lacked oxygen because oxygen was not initially produced by photosynthetic organisms. Instead, the atmosphere consisted primarily of gases emitted from volcanic activity, such as water vapor, carbon dioxide, and nitrogen. Oxygen levels increased over time as photosynthetic bacteria and plants evolved.
Oxygen is produced through photosynthesis, a process where plants, algae, and some bacteria use sunlight to convert carbon dioxide and water into oxygen and glucose. This process is essential for maintaining the balance of oxygen in Earth's atmosphere.
Oxygen is not produced in schools. Oxygen is generated through photosynthesis by plants, including trees, which release oxygen as a byproduct. Schools may have plants or green spaces that contribute to oxygen production, but the oxygen itself is not directly produced within the school premises.
plants
By plants and planktonMost of the Earth's oxygen is produced by plants, both on surface and under water. Algae.