Wood, coal, gas.
They don't have to be. Some fuels are fossil fuels, which are rapidly disappearing right now. Some examples of fossil fuels are oil, which we use for gas, and coal, which we use for heat and electricity. But fossil fuels take millions of years to make more, so we are rapidly using up the fossil fuels of the world.
examples of chemical energy are.. food, baterries, fuels, candles, etc.
chemical and potential energy
Bio fuels are those fuels that are easier on the environment than petroleum-based fuels. Some examples are bio diesel and methane.
wood
Examples are: cooking, burning of fuels, baking, fermentation, etc.
Examples: digestion, fuels burning, cooking, washing etc.
examples of chemical energy are.. food, baterries, fuels, candles, etc.
Chemical energy examples include the energy stored in fossil fuels like coal, oil, and natural gas, as well as in batteries, food, and wood. Chemical energy is released through chemical reactions such as combustion, metabolism, and oxidation.
modern fuels are those fuels that are used and are now found. some examples of these are- biogas.
Coal, petrol etc are examples of fossil fuels. They are exhaustible.
fossil fuels and uranuim