Let's reconsider the candle-burning scenario where a 14-inch candle is lit and steadily burns until it is burned out. Which of the following quantities' values are fixed as the candle burns? Which of them vary as the candle burns? - The length of the candle before it was lit. - The remaining length of the candle. - The diameter of the candle. - The weight of the candle. - The length of candle that has burned since it was lit