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No. The oxygen in crustal rock is naturally occurring. Oxygen in the atmosphere, however, is due mostly to photosynthesis.

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What produces oxygen on the planet?

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.


What was the earths atmosphere before photosynthesis?

Without life because when plants do photosynthesis, they produce oxygen.


What produced the oxygen found in the earths atmosphere?

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.


What is the major source of oxygen for the earths atmosphere is?

Plants


How does oxygen get into earths atmosphere?

The process is very well-known in Biology called the Photosynthesis. It plays an role in plants because plants get it energy from sun.


Why plants should not be destroyed?

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


What happens to us if plants die?

If all the plants in the world die, then we could'nt breath, because no oxygen would be produced


Why was there no oxygen in earths original atmosphere?

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.


What process puts oxygen in to earths atmosphere?

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.


Why is oxygen produced in schools?

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.


Most of the oxygen you breath is produced by?

plants


How is most of the oxygen on Earth produced?

By plants and planktonMost of the Earth's oxygen is produced by plants, both on surface and under water. Algae.