Oil, gas, coal, wood, water, wind, and solar.
The most common fossil fuels are coal, oil and natural gas.
The most common element in all combustible fuels is Hydrogen, this is closely followed by the presence of Carbon.
the origin of fuels is from decomposition of dead animal bodies
Fossil fuels are rare now as there are not many left but people think they are common because they are used everywhere.
Fossil fuels are the remains of decomposition of buried dead organisms under pressure. The common fossil fuels are oil , gas and coal.
Both are fossil fuels.
Common substances used in fuels for welding include acetylene, propane, natural gas, and hydrogen. These fuels are used in conjunction with oxygen to create the high temperature flame needed for welding processes.
They can both be burned at high pressures
carbon mostly and hyrogen
charcoal & petrol
When fossil fuels are burned, some of the chemical energy stored in them is converted into thermal energy.
coal, methane, wood, biogas