mystical_life

Coal and petroleum are two of the most significant sources of energy in the world today. They play crucial roles in powering industries, transportation, and daily life. This article provides an overview of these important resources, explaining their formation, uses, and environmental impact. What is Coal? Coal is a black or brownish-black sedimentary rock that is primarily composed of carbon. It forms from the remains of plants that lived and died millions of years ago. Over time, these plant remains were buried under layers of soil and rock, where heat and pressure transformed them into coal. Types of Coal Peat: This is the initial stage of coal formation. It is a soft, spongy material found in wetlands. Lignite: Also known as brown coal, lignite is the youngest and has the lowest carbon content. It is used mainly for electricity generation. Bituminous Coal: This type is used for producing steel and generating electricity. It has a higher carbon content than lignite. Anthracite: T...