Answer: Option A.
Explanation: radiant energy, chemical energy, mechanical energy, chemical energy, radiant energy.
-Sunlight shines on plants....... Radiant energy.
-Plants photosynthesize to produce sugars, grow, and eventually die.......Chemical energy.
-Plant matter is buried and compressed...... Mechanical energy.
-Compressed organic matter is changed to coal....... Chemical energy.
-Coal is retrieved and burned as fuel......... Radiant energy.