Q1 :-What is fossil? Q2 :-Which petroleum product is used as fuel in airplane? Give two other uses of product. Q3:-Which product was used earlier for Metalling road?
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- A fossil is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved in amber, hair, petrified wood, oil, coal, and DNA remnants.
- Jet fuel is a clear to straw-colored fuel, based on either an unleaded kerosene (Jet A-1), or a naphtha-kerosene blend (Jet B). Similar to diesel fuel, it can be used in either compression ignition engines or turbine engines.In marketing, a product is an object or system made available for consumer use; it is anything that can be offered to a market to satisfy the.
- Bitumen is used for metalling the roads in place of coal-tar.
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