The gaseous include substances that are in the gaseous state at normal temperature and pressure. The settleable dusts have a particle longer than 10 (am. Sulphur dioxide, above 1 ppm, affects human beings. (ii) Smog is a dark or opaque fog which is formed by the dust and smoke particles causing condensation of water vapours around them as well as attracting chemicals like SO2, H2S, NO2, etc. (ii) Metallurgical processing (mineral dust, fumes containing fluorides, sulphides and metallic pollutants like lead, chromium, nickel, beryllium, arsenic, vanadium, cadmium, zinc, mercury). Carbon monoxide combines with haemoglobin of blood and impairs its oxygen carrying capacity.
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Industrial plants and refineries should be fitted with equipment for removal and recycling of wastes. Advertisements: Essay on Air Pollution: Causes, Effects and Control of Air Pollution! Use of tall chimneys shall reduce the air pollution in the surroundings and compulsory use of filters and electrostatic precipitators in the chimneys. Pollen and Microbes: Excess of microbes in the atmosphere directly damage the vegetation, food articles and causes diseases in plants, animals and human beings. Read More on This Topic hydrosphere: Acid rain The emission of sulfur dioxide and nitrogen oxides to the atmosphere by human activitiesprimarily fossil-fuel burninghas led to the acidification of rain and freshwater aquatic systems. However, show more content, global warming is one of the biggest problems facing our world today, that threatens to take away everything we have. Growing plants capable of metabolising nitrogen oxides and other gaseous pollutants,.g., Vitis, Pimis, Jttniperus, Quercus, Pyrus, Robinia pseudo-acacia, Viburnum, Crataegus, Ribes, Rhamnus. They cause eye irritation, respiratory troubles, blood congestion and dilation of arteries. It causes irritation to eyes and injury to respiratory tract.
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