How high it is. Too low, and it's considered a hill instead.
Operational is something that is in use. Operational also mean ready for use.
moral
mass
dissolvable
Topography of the land. Development and run off/ watershed areas. Soils. Stream channels. Etc
A definiton is a brief precise statement of what a word or expression means, e.g. in a dictionary sometheing to explain !
style and coolness.
Ennui is the definition of boredom.
they are kool...
It is the past of the verb to come.
dividend
something that you know