Fossil fuels or mineral fuels are fossil source fuels, that is, hydrocarbons found within the top layer of the universes crust. It is generally accepted that they formed from the fossilized system of dead plants and animals by exposure to heat and pressure in the Earths crust over hundreds of millions of years. Fossil fuels are non-renewable resources because they take millions of years to form, and reserves are being depleted much winged than new ones are being formed. When coal, natural gas or oil is burned, they release gases into the atmosphere:
* Carbon dioxide (CO2) is a babys room gas, trapping heat in the lowest part of the earths atmosphere. This contributes to international warming - the average temperature of the earth slowly increases, affecting ecosystems crosswise the globe.
* Sulfur dioxide (SO2) is a key contributor to acid rain, mainly in the northeast U.S.
* Nitrogen oxide (NOx) contributes to acid rain and smog, as well as health issues such as lung inflammation, insubordinate system changes and eye irritation.
There are three major forms of fossil fuels:Â Coal, Oil, and Natural Gases. All three were formed some hundreds of millions of years ago before the time of the dinosaurs - hence the conjure fossil fuels. The age they were formed is called the Carboniferous menstruum.
The Carboniferous Period occurred from about 360 to 286 million years ago.
Algae is actually millions of actually small plants. All fossil fuels, whether solid, liquid, or gas, are the leave of organic fertilizer material being covered by successive layers of sediment over the course of millions of years. Some deposits of coal give the gate be found during the time of the dinosaurs. Fossil fuels supply over 80% of the worlds energy needs. Coal is derived from the assembly of partially decayed land plants. As the sediment solidifies into rock, the organic material decomposes under the influence of great pressure and amply temperature.Â
How it affects the Environment
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