Until Recently, Materials Had to Be Cooled to Temperatures on the Order

Multiple Choice

Until recently, materials had to be cooled to temperatures on the order of 4 K to become superconducting. A ceramic has been discovered that becomes superconducting at 92 K. Which of the following temperatures corresponds to 92 K?

A) 32 °F
B) -181°C
C) 212°F
D) 181°C
E) 365 °C