Acid Rain and Volcanoes

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Acid Rain & Volcanoes Research Activity Acid Rain & Volcanoes Research Activity Task 1: Report on acid rain and its effects on the environment. Rain is usually slightly acidic. This is because when the rain falls is reacts with the carbon dioxide in the atmosphere therefore making the rain slightly acidic (ph of 5.6). When water reacts with gases such as Sulfer Dioxide or Nitrogen Oxide it produces Sulfuric Acid and Nitric Acid. This is called Acid Rain. Acid rain effects the environment in several ways, the effects to the plants and animals depend on the level of acidity of the water. Implications such as decrease in marine life, reduce in growth of forests (led to death of forest over time), damages buildings, bridges, and cultural objects (statues and monuments). Acid rain also effects human health and makes it difficult to see as clearly through clean air. The decrease in fish is caused by the high acidic water levels. There are two ways that acidic rain effects the lakes and streams; chronic and episodic. Chronic acidification is a long-term and is a result of the build-up of years of acid rain. Episodic acidification is when there is a sudden rise in the acidic levels of the water. The effects of acid rain on the forests are subtle. Although acid rain does weaken the trees defences against diseases, pests and may also remove nutrients such as calcium and magnesium. Acid rain can also lead to an increase in nitrogen in the forests. An increase in nitrogen will affect the forests nourishment in calcium and magnesium and can alter aspects of forest ecosystems and the chemistry of nearby lakes and streams. Acid rain contributes to the deterioration of paint and stone as well as the corrosion of metals (e.g. bridges, buildings). With the effects of acid rain on cultural objects it increases maintenance costs for the repairs on

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