The acid rain

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A broad term referring to a mixture of dry and wet deposition from the atmosphere containing higher than normal amounts of nitric and sulfuric acids is acid rain.[1] Acid Rain is one of the most dangerous nature disasters that could happen in places that has more than normal amount of waste and CO2 in the atmosphere. Moreover, most people hear about acid, however do they know what it is really in chemistry or do they know biologist point of view toward acid rain and what are its consequences for living things and economics? During this essay, I will try my best to demonstrate deeply about acid rain and try answering these global questions.

According to what I said before, the main source of acid rain comes from the sulphur dioxide (SO2) and nitrogen oxides (NOx). In the United States, approximately 2/3 of every SO2 and 1/4 of every NOx comes from electric power generations that rely on burning fossil fuels, such as coal. Furthermore, acid rain occurs when these gases react in the wide atmosphere with water (H2O), oxygen (O2), and other chemicals in which they can form very acidic compounds. In addition to that, sunlight increases the percentage of most of these reactions. A result becomes of sulfuric acid and nitric acid.[2]

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Adding to the fact, acid rain is measured by a scale called "pH". The lower the substance is, the more acidic it is. [3] So a pH is a scale that measures how acid or base a substance is. Its limits of accuracy are between 1 and 14. 7 is the neutral part of the pH. A pH less than 7 are acidic and any pH greater than 7 is basic. Furthermore, each pH is ten times acidic than its previous one. To the matter of fact, a pH of 5 is ten times acidic than the pH of 6 and a pH of 10 is ten times basic than a pH of 9.[4]

As a result to what I said before, there are wide range of danger consequences toward the soil and the trees of our daily live plants. For instance, the soil may neutralize some or all the acidity of the acid rainwater then get it purred into lakes or rivers. The ability of the soil in which it changes its pH is called buffering capacity. Soil pH would change rapidly. In the other hand, acid rain doesn't kill the tree directly; however it weakens the trees by damaging its leaves, limiting the nutrients available to them, or poisoning them by toxic materials, such as aluminum, from the soil. Once the trees are week, they could be more harmed and affected by diseases or insects that eventually could kill them. Also they could be put in danger by cold weather.[5]

Actually, these dangers could affect us as human negatively. According to that, if the soil and had got damaged, and farmers still grow crops as to sell them to the market and let us eat them, we will eat them and get harmed OR, if we knew that this particular food contains lots of bad on unhealthy chemicals that could affect our body, starvation will grew, and human beings will not know what to eat as to overcome their body needs. Conversely, many aluminum ions will be absorbed by the trees, making them defoliate and die. The human will then pick the dangerous trees and burn them, making more pollution. As a result, when we make more pollution, with are circulating the process of acid, so is there any solution?[6]

Furthermore, aquatic systems are considerably the most important structures in our lives, so when other chemicals and materials harm them, they could harm an entire community. A fact about this is when many fish die on spring time due to insufficient acids, birds will stop eating the fish because it is toxic. Acids could kill the fish offspring's. In addition to that, the acidic water system could affect us by swimming in diseased lakes. It also rusts the pipe in which it flows through, and needs extra care to be cleaned. Last but not least, some signs could show the acid rain, such as dead or dying trees, no fish in water, and smell of rotten egg (sulfur).[7]

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Adding to my previous session, there is some serious direct and indirect disease that could affect the human. As a matter of fact, acid pollution on humans could affect respiratory system. The sulphur dioxide and the nitrogen oxide rises the respiratory problems such as asthma, dry coughs, headaches, eye nose and throat pain. According to the indirect affect of acid rain is that the toxic materials dissolved in the water are absorbed in the fruits, vegetables and tissues of animals. Animals are not directly affected by these, however when they are consumed by humans, they can have serious affect, such as mercury when that are linked in the organs of animals has been linked with brain damage of young children as well as nerve disorders.[8]

What's more, Acids dangerous are also passed down into the building materials. For instance, lime-cemented sandstone could have a smooth surface when acid had got presented with it. Also marbles could turn into a liquid material called gypsum that could be purred easily. Thus, we could see that acid rains could make buildings weaker than they are in which it may cause a severe danger on human beings and on other living things.[9] On the other hand, architectures are also affected by acid rain because they cause corrosion. Furthermore, bridges are also corroding in a faster rate as well as the railway and the airplane industries must expend a lot more money to repair the corrosive damage.[10]

Eventually, I could see that acid rain is one of the most dangerous rains in the entire nature that could make severe damages for the whole community of people, fish, and even the buildings. However, preventing it needs a lot of time because many factories and many cars are still going on burning fossil fuels which are the main compounds of making the acid rain. Last but not least, I would like to aware people about trying to prevent the usage of fuels and try to find alternative energies to keep our lives good and healthy.

Bibliography:-

Internet Websites:-

  1. http://www.epa.gov/acidrain/what/index.html (13/9/2009)
  2. http://www.policyalmanac.org/environment/archive/acid_rain.shtml (13/9/2009)
  3. http://www.epa.gov/acidrain/measure/index.html (13/9/2009)
  4. http://www.healthgoods.com/education/environment_information/Acid_Rain/effects_of_acid_rain.htm (13/9/2009)
  5. http://www.epa.gov/acidrain/measure/ph.html (13/9/2009)
  6. http://an018.k12.sd.us/8Science/Biologists%20and%20Acid%20Rain%20by%20Mandi%20Durch.htm (13/9/2009)
  7. http://acid-schenectady.tripod.com/id9.html (13/9/2009)
  8. http://www.geocities.com/whatsacidrain/effects.html#4 (13/9/2009)
  9. http://www.geocities.com/whatsacidrain/effects.html#4 (13/9/2009)

Books:-

  1. By Bradley Ian, Gale Peter, Winterbottom Mark. The Heinemann Science Scheme, published in 2002

Pictures:-

  1. http://www.epa.gov/acidrain/what/index.html (which was on 13/9/2009)
  2. http://www.epa.gov/acidrain/measure/ph.html (which was on 13/9/2009)
  3. http://k53.pbase.com/v3/43/397443/2/49446720.Fire.jpg (which was on 13/9/2009)

  1. http://www.epa.gov/acidrain/what/index.html (13/9/2009)
  2. http://www.policyalmanac.org/environment/archive/acid_rain.shtml (13/9/2009)
  3. http://www.epa.gov/acidrain/measure/index.html (13/9/2009)
  4. http://www.epa.gov/acidrain/measure/ph.html (13/9/2009)
  5. http://www.healthgoods.com/education/environment_information/Acid_Rain/effects_of_acid_rain.htm (13/9/2009)
  6. http://an018.k12.sd.us/8Science/Biologists%20and%20Acid%20Rain%20by%20Mandi%20Durch.htm (13/9/2009)
  7. http://acid-schenectady.tripod.com/id9.html (13/9/2009)
  8. http://www.geocities.com/whatsacidrain/effects.html#4 (13/9/2009)
  9. By Bradley Ian, Gale Peter, Winterbottom Mark. The Heinemann Science Scheme, published in 2002
  10. http://www.geocities.com/whatsacidrain/effects.html#4 (13/9/2009)