When a foreign substance is introduced to a natural environment pollution occurs. Pollution is destructive and harmful. The amount of pollution has drastically increased do to mankind’s urge to develop. With the industrial revolution came a large amount of pollution. Waste products, toxic gases and poisonous substances were being released into nature. With the amount of pollution today our world is slowly dying. One of the many problems caused by pollution is ozone layer depletion.
Large collection of gases is what makes the earth habitable. These gases together are called the atmosphere. The second layer of the atmosphere is the stratosphere. The stratosphere contains 15% of the total mass of the atmosphere. One of the major layers of the stratosphere is the ozone layer. This layer is at an altitude of 10 km.
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Ozone is a product that can be produced naturally or it can be man made. It occurs in the stratosphere and the troposphere. The gas is composed of three oxygen molecules. Its chemical formula is O_3. Its pale blue and has a very strong smell. It is ready to react with basically anything, which makes it a very efficient cleaning supply. But it can also be damaging to our health. For example breathing in ozone may damage the living tissue in the lungs.
The sun is the main energy source that makes earth habitable. Ultraviolet light (UV) is one of the energy from coming from the sun. The UV light is not visible to the eye. Small amount of UV light is beneficial for humans. We need UV light to produce vitamin D. But extended amount of exposure may cause some health problems. Only a small layer of ozone is standing between the harmful UV rays and us. The ozone layer absorbs the light rays, which causes a reaction to occur. This reaction is the reason why the ozone has three oxygen atoms. But still %3 or less amount of radiation can pass through the layer, which can cause sunburns and skin