What is the S.I. unit of temperature

What is the S.I. unit of temperature
A: Kelvin
B: Centigrade
C: Fahrenheit
D: None of these

Kelvin is the SI unit of temperature used in scientific measurements starting from absolute zero. Centigrade is Celsius Fahrenheit is another scale. Kelvin is essential for thermodynamics and physics calculations. It avoids negative values in equations. Understanding units is fundamental for science education ensuring consistent measurements in experiments and international standards.