The damaging effects of acid rain on society is becoming overwhelmed with great amounts of pollution from cars, factories and an large amounts of garbage. The immense amounts of sulphur dioxide put into the air causes high levels of acid in the atmosphere. When this sulphuric acid is absorbed into moisture in the air, then rain can be harmful to the environment. Acid rain is destroying lots of things in our environment. It is hurting lakes, air and thew rest of our ecosystem. Acid rain is killing lakes and decreasing the number of animals in these lakes. Acid rain greatly lowers the amounts of pH in the water. Each decade the pH levels of lakes around Ontario have become ten times more acidic. The high acid levels contained in lakes also causes a decrease in the number of fish living in these lakes. Also the high amounts of acid in the water can lead to fish being deformed. They have messed up and out of shape backbones, flattened heads and strangely curved tails. When there gets to be a lot of acid in the water, then there is barely anything left besides rock bass, pumpkinseed and lake herring. As with sulphur dioxide in rain, mercury is also discharged into the water. There is a direct connection between the mercury rich lakes as there is with those with high acidic levels. This metal becomes concentrated in the blood and tissues of fish. Acid rain causes traumatic effects in natural lakes and rivers. Acid rain causes air quality to deteriorate. As in water, acid rain causes the pH levels in the air to decrease. The sulphur dioxide, which diffuses into the air, mixes with moisture causing the pH levels to drop from the normal level. Again, the normal level is somewhere around seven, yet in some acidic air masses the levels can be as low as three. These lowered pH levels form a photochemical smog in the atmosphere. In the air Anitrogen oxides react with ozone and some hydrocarbons in the presence of sunlight to form photochemical smog, the kind of yellow-grey haze which it literally alive and growing in stagnant air emailprotected (Howard & Perley, 1980, p. 44). This smog carries serious risk for respiratory disease and crop damage. The photochemical smog is also causing the ozone layer to disintegrate. The ozone layer is becoming a part of this smog, which is causing holes in it. An inordinate amount of sulphur dioxide is let into the air, more than can be neutralized by nutrients in the air. Decrease in pH levels, photochemical smog and depletion of the ozone layer are some effects of acid rain in the air. The ecosystem is slowly eroding due to the increased amounts of acid in the soil. Acid in the soil in causing the carbon dioxide respiration process to decelerate. In order for plants to go through photosynthesis, they need carbon dioxide. When acid in the soil causing this soil respiration to slow down, in turn it causes the photosynthesis process to slow down. The soil also erodes when the pH levels drop. The acidic levels of the soil cause nutrients in the soils such as aluminum to break apart and the soil to erode. Soil erosion also causes a lower production of plants in the ecosystem. In the soil a process of decay Acalled oligotrophication, means that fewer of the ions of acid are neutralized by the depleted biological community so the acid can cause further degeneration of natural processes, which in turn are less capable of combating the acid, and so on, in an accelerating emailprotected (Howard & Perley, 1980, p. 32). Disruption in the life span of trees and plants is also another effect of acid rain. The acid rain corrodes the thin, waxy layer, which coats and protects the leaves letting the acid suffocate the leaves. This can cause an interference in the plants metabolism and photosynthesis may be altered meaning the leaves cannot produce and efficient amount of food which may result in death of the plant. Acid may obtrude fertilization , stunt or kill the growth of seeds and make them sterile. A second generation would be
Acid Rain Essay In Bengali
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