You are presented with the quiz "What is converted into light by burning beech wood?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "fire converts chemical energy into light and heat energy" and "beech wood fires burn bright and clear If the logs are kept a year". So, what's the best answer to the question?
Choices: a). direct energy; b). one celled organisms; c). chemical energy; d). hydrogen and oxygen; e). kinetic energy; f). Time and energy; g). permineralization; h). peachleaf willow;
c).