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A smog is a combination of smoke and fog. The initial reaction of photochemical smog is the photolysis of nitrogen dioxide (NO2) into nitrogen (NO) monoxide and ozone (O3). [g_article_ads] Nitrogen dioxide is found in the exhaust gases given out from automobiles and industries. This NO2 dissociates in the presence of UV radiation emit with … Read more
Greenhouse Effect. Greenhouse effect is a mechanism of maintaining the temperature of our earth. The earth heats up from the radiation received from the sun and the heat is reflected back into the atmosphere in the form of infra-red (IR) radiation. The earth receives a large amount of radiant energy from the sun and about … Read more
Air pollution can be defined as the introduction of various material that cause harm or discomfort to living being including humans, natural vegetation and structures in to the atmosphere. These materials can be chemicals, particulate materials or biological materials which have the capability of acting adversely on natural ecosystem when they present in a sufficient … Read more
What is an acid rain? Acid rain is a rain with a lower pH value than the normal natural rain. It has a lower pH value which lies between pH 4 to pH 5. Sometimes the pH value can be lower than pH 4. Usually, the natural rain water is slightly acidic. Its pH value … Read more