Answer:
C
Explanation:
All others include a chemical change of some sort
Energy transmitted by light is Radiation
Visible light, infrared light, microwaves and radio waves are forms of radiation.
More examples are a toaster, the sun, light bulbs, irons etc.
Coal is a fossil fuel, formed from vegetation, which has been consolidated between other rock strata and altered by the combined effects of pressure and heat over millions of years to form coal seams. The energy we get from coal today comes from the energy that plants absorbed from the sun millions of years ago.
Covalent bonds and it is between the hydrogens (hydrogen bonds)