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13 mar 2023 · However, ozone concentrations close to the Earth’s surface can be temporarily and locally higher, because of emissions from motor vehicle exhausts, industrial processes, electric utilities, and chemical solvents. Ground-level ozone is a local air pollutant, and can negatively impact human health.
29 wrz 2014 · Breath of life. Oxygen is the third most abundant element in the universe, according to the Thomas Jefferson National Accelerator Facility. However, its reactivity made it relatively rare in...
23 wrz 2024 · Ozone protects life on Earth from the Sun’s ultraviolet (UV) radiation. In the lower atmosphere (the troposphere) near the Earth’s surface, ozone is created by chemical reactions between air pollutants from vehicle exhaust, gasoline vapors, and other emissions.
14 sty 2023 · Well, think of the ozone layer as planet Earth's sun cream, protecting the Earth from the Sun's radiation. It is absolutely crucial for life on Earth - without it, our planet would be...
If you breathe air with a much higher than normal O2 concentration, the oxygen in the lungs overwhelms the blood's ability to carry it away. The result is that free oxygen binds to the surface proteins of the lungs, interferes with the operation of the central nervous system and also attacks the retina.
Oxygen levels. The level of oxygen refers to the amount of oxygen present in the atmosphere or water. Oxygen is produced by photosynthesizing organisms that live in the ocean, in fresh water, and on land. These organisms include bacteria, algae and plants.
How does Earth maintain a constant level of oxygen? - BBC Science Focus Magazine.
