You are given a sentence and your task is to generate another sentence that supports the given input.

[Q]: pH pH is a measure of the hydrogen ion concentration in water.
[A]: The concentration of the hydrogen ion in a solution can be calculated when the ph is known.


[Q]: The water molecules are attracted to each other and resist being separated.
[A]: Compared with the molecules of many other substances, molecules of water are strongly attracted to each other.


[Q]: Air enters the nares and is moistened and warmed as it travels through the nasal cavity (which connects with the infraorbital sinus and the cervicocephalic air sacs) and exits the nasal cavity through the choanal slit.
[A]:
In mammals, air is warmed and humidified in the nasal cavity.