It is known to us that sunlight is very important for life. The sunlight helps plants to prepare their own food through the process of photosynthesis. But you must know that the blanket of Earth’s ozone layer is very necessary for us. As it acts as a filter which blocks the majority of the sun’s UV radiation. If this barrier was absent all of the radiation would have reached Earth, damaging the DNA of plants and animals, like us humans. This could have contributed to the rise in skin cancer rates but we might not even live long enough to experience that cause of death. Hence, it is very important for life on Earth.
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If it disappears many plants would die. The intensity of the sun’s radiation would make impossible for the plants to carry out photosynthesis. This will disturb the food chain cycle, as the plants would eventually die. Further, the scarcity of plants and trees would lead to the starvation of the herbivores. For a time the omnivores and carnivores could feed off their bodies, but their food supply would dwindle and cause widespread extinction.
Let us know where is the ozone layer and how does it work?
The ozone gas encircling the Earth forms a layer that exists between 9.3 (15 kilometres) to 18.6 miles (30 kilometres) above its surface. It is also known as 03 or trioxygen. It is created when oxygen molecules are split by the sun into a duo of free-ranging oxygen atoms. When one of these free atoms bonds with an 02 molecule, an 03 molecule — ozone — is created.
What leads to the depletion of the ozone layer?
Increase in the level of chlorine and bromine gases which lowers the temperature in the upper stratosphere leads to ozone layer depletion.The emission of chlorofluorocarbons (CFCs) is the major reason for ozone layer depletion.When these synthetic chemicals, once used as refrigerants and aerosol-spray propellants, travel to the upper atmosphere they begin a chain reaction that spells disaster for the ozone layer. It leads to almost 80 percent of the total ozone layer depletion. There have been tight regulations over the past several decades, with a goal of eliminating their use completely later this century.
— 🅱ℹ💲♏🅰®©🦅 💎🇬🇭 (@BiSmArCkDaViS) September 22, 2017
Hydro chlorofluorocarbons (HCFCs) and volatile organic compounds (VOCs) leads to ozone layer depletion. The vehicular emissions, by-products of industrial processes has substances that remain stable in the lower atmospheric region, but as they reach the stratosphere, they get exposed to the ultraviolet rays breaks down which release free chlorine atoms which react with the ozone gas, thus leading to its depletion.
Can we recover the ozone layer? Our researchers weigh in on the ongoing debate about the relative impacts of continuing sources of ozone depletion that could potentially delay the recovery of the Earth's sunscreen. Get the details: https://t.co/3j6KVwAXzB pic.twitter.com/8q28m0aoq9
— NASA (@NASA) December 17, 2017