Q: 72 (CDS-I/2005)

Which of the following scales of temperature has/have their zero set at absolute zero temperature ?
1. Fahrenheit
2. Celsius
3. Kelvin

Select the correct answer using the code given below:
question_subject: 
Geography
question_year: 
2005
question_exam: 
CDS-I
stats: 
0,592,496,144,128,592,224