Air pollution badly affects human health. Acute respiratory infections, chronic bronchitis, pulmonary emphysema, bronchial asthma and even lung cancer are caused by small amounts of air pollutants. Presence of lead in the air badly affects the brain of children and their nervous system. Nitrogen oxides damage the lungs and heart and cause irritation in the eyes. Ozone causes sore eyes, coughing and chest soreness and chest soreness. Cadmium is a respiratory poison and causes blood pressure and heart diseases. Pollution very adversely affects plants. Sulphur affects several plants such as graps, cotton, apples, etc. Higher concentration of sulphur dioxide is responsible for chronic injury in plants. Fluoride, smog, nitrogenoxide affects plants and vegetation. Sulphur pollution affects materials, such as sliver and palladium. At low concentration, sulphur damages paint pigments. Ozone badly affects textiles, decolourises dyes and causes rubber cracking.
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