Answer: freezing point of water 273.15K, boiling point of water 373.15 K
Step-by-step explanation:
The Kelvin scale starts at the lowest possible temperature, absolute zero. This is 0 Kelvins (K)= -273.15 deg C. Hence water freezes at 0 deg C = 273.15 K and boils at 100 deg C = 373.15 K