Every solid matter is composed of very fine particles. When these fine particles are scattered in the atmosphere, they become dust particles. Different human and natural activities contribute to the dust particles in the atmosphere. When solid breaks dust is formed. For example, during the construction of houses, roads, running of crusher units, solid matter like bricks, metal, and boulders is broken into small pieces and fine particles of dust formed. Smoke generated by the burning of fossil fuels like petrol, diesel, coal, and wood also produces dustRead More