Question: Some students used a hot plate to heat 1 L of water from 20°C to the boiling point of water. The students recorded the temperature of the water each minute until it began to boil. Which of the following provides the most appropriate way to represent the data?

  Options: 
 A. a bar graph with temperature on the y-axis and time on the x-axis
 B. a bar graph with time on the y-axis and temperature on the x-axis
 C. a line graph with temperature on the y-axis and time on the x-axis
 D. a line graph with time on the y-axis and temperature on the x-axis 
Answer: C