The temperature of liquid nitrogen is

Liquid nitrogen’s boiling point is -195.8 °C; approximated as -196 °C; used in cryogenics and medical applications. Option A (37 °C) is human body temperature; and C (0 °C) is water’s freezing point. The correct answer; B) -196 °C; is a key fact in everyday science exams; emphasizing properties of cryogenic substances.