From the table, we can see that P and Q represent water. (Option B)
We know that the liquid range of water is 0 - 100 degrees Celsius. Within this temperature range, water exists as a liquid substance.
Looking at the table we can see that the temperatures of P and Q are 50 and 100 degrees Celsius respectively hence both P and Q represent water.
Learn more about temperature:https://brainly.com/question/11464844?
#SPJ1