FUEL
Fuel is the form of matter that is used to produce energy or power by burning e.g. Fuels of wood, and natural gas .These fuels are used as source of energy or power in homes, industries and in transportation in ruining automobiles, rails and airplane
SOURCE OF FUEL
The materials used as fuels are generally grouped as BIOMASS and fossils fuel
BIOMASS FUELS
Are fuels which originate from recent materials of plant and animals example are dry wood, dry weed, agricultural wastes and biogas.
FOSSIL FUELS
Are fuels which are preserved in the earth crust as remains of plants and animals example coal, petroleum, and natural gas
HOW FOSSIL FUEL OCCURS
It is believed that millions of years ago animals and vegetable matters were burried beneath the earth due to certain natural calamities such as flood, earthquakes cyclones, and storms
Under high temperature and pressure inside the earth these materials were subjected to decomposition in absence of air to from coal, petroleum and natural gas.
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