A student placed a black piece of construction paper in the sunlight. She placed a thermometer under the paper and measured the temperature every 10 minutes for 50 minutes. The graph below shows her results. Which of the following best explains her results?

A. Many wavelengths of electromagnetic radiation are transmitted by the paper and are converted to ultraviolet radiation.

B. Many wavelengths of electromagnetic radiation are reflected by the paper and are converted to infrared radiation.

C. Many wavelengths of electromagnetic radiation are absorbed by the paper and are converted to infrared radiation.

D. Many wavelengths of electromagnetic radiation are refracted by the paper and are converted to ultraviolet radiation.