Answer:
Conduction, Convection and Conduction
Explanation:
Carbon has an electronic configuration of
1s² 2s² 2p²
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.
It’s is a pure substance because nothing is mixed with it and a molecule gas because it’s is a gas and it’s by its self