This is the first 1,000 characters of 1648 words (6.59 pages) in the essay titled Acid Rain
Introduction: What Causes Acid Rain?
One of the main causes of acid rain is sulfur dioxide. Natural sources, which emit this gas, are
Volcanoes, sea spray, rotting vegetation and plankton. However, the burning of fossil fuels, such as
Coal and oil, are largely to be blamed for approximately half of the emissions of this gas in the world.
When sulfur dioxide reaches the atmosphere, it oxidizes to first form a sulfate ion. It then
Becomes sulfuric acid as it joins with hydrogen atoms in the air and falls back down to earth.
Oxidation occurs the most in clouds and especially in heavily polluted air where other compounds
such as ammonia and ozone help to catalyze the reaction, changing more sulfur dioxide to
sulfuric acid. However, not all of the sulphur dioxide is changed to sulfuric acid. In fact, a
substantial amount can float up into the atmosphere, move over to another area and return to earth
In the following pages I will show the effects of acid rain on:
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