What special
properties does
hydrogen bonding give
to water?

as a relatively high boiling point high specific heat connotation adhesion and density

Explanation:

water molecules are polar so they form hydrogen bonds this gives water unique properties

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.