p.p1 ozone-poor air. Third, HCFCs (hydrochlorofluorocarbon) is a

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ozone-poor air. Third, HCFCs (hydrochlorofluorocarbon) is a compound that is made up of hydrogen, chlorine, fluorine and carbon atoms. There is no natural cause to the production of HCFC gases as it is also a man-made greenhouse gas. The main anthropogenic causes of the HCFC gases are air-conditioners, refrigeration, and aerosols. The HCFC gases form a similar or almost the same process like the CFC gases in destroying the ozone. They seem to cause 98% less ozone depilation than CFCs. Fourth, compounds that release bromine into the stratosphere. When those compounds go to the stratosphere they rise up and then get hit by UV radiation which breaks them down causing the bromine to escape to the stratosphere. Bromine acts like chlorine and does use the same process to destroy the ozone layer. As human population is growing very fast, their demand for refrigerators, sprays, and air-conditioners grows. Therefore, more and more refrigerators, spray and air-conditioners are produced and used. Those are the main anthropogenic sources of the main gases that destroy or cause the depletion of the ozone. When the production of them is increased, the amount of ozone depilation is increasing also. More and depilation of the ozone caused now what is known as the ozone hole. The ozone hole is a region in which the ozone layer is so thin. The ozone layer protects us from UV rays that come from the sun as it absorbs it. When the ozone layer thinners and or gets destroyed, it allows more UV to escape to the earth. When more UV radiation escapes to the earth, they either get absorbed by the land or the ocean. This can cause an increase in the global temperature which is the main culprit of ozone depilation. The increase in temperature causes many problems such as ice melting and especially in the poles. This problem cause sea level rise which can cause flooding and destruction in many places in the world. It also releases the stored greenhouse gases in the frozen ice into the atmosphere which increases the greenhouse gases and the greenhouse effect. Furthermore, as more ice is melting, less sun’s radiation is reflected by the ice and that means that more is absorbed by the land which also causes increase in the global temperature. In addition, when ice melts, it will causes the loss of the population of species that depend on that ice like polar bears. The increase in the global temperature causes changes in the precipitation patterns, severe weather, Ecosystems and Seasons. In changes of severe weather, their is an increase of some severe weather events like hurricane and heat waves. Hurricane and heat weather both our destruction, so as they increase the destruction of plants, animals, humans, and land is increasing. As for the changes in the precipitation patterns, their is an increase in the total annual precipitation in some places. Also, their is an increase in the heavy precipitation events like rainstorms. Furthermore, in the northern hemisphere, their is an increase of the precipitation falling down as rain rather than snow. Many regions are experiencing longer growing seasons as a result of the cold days coming later in the year and finishing in the early spring, The temperature is a great factor in determining what animals or plants can live in a certain place. As they increase, they change the types of the plants and animals living in a certain area. The increase of temperature leads to the immigration of animals to the poles and the increase of undesirable insects and plants moving into new region. The loss of a certain animal or plant because they have migrated to the north can cause the destruction of the whole ecosystem the animals that feed on the immigrated organism does not have anything else to feed on. The introduction of new species may cause the destruction of another species. The loss of biodiversity mainly causes an increase in the production of carbon dioxide as it destroys plant carbon sinks. Sometimes it can lead to the extinction of a specific type of animal or plant due to it not finding them a place where it can survive. It keeps on continuing as all the climate change is a domino effect or a feedback loop. As for the humans, more UV rays would cause more ageing skin, damaging our immune system, sunburns, skin cancer, damaging our eyes and malignant melanoma development. Also, a small amount of it can cause good things like producing vitamin d which benefits our body. As for the plants, more UV radiation emitted from the sun is harmful to plants in many 

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