A change in the genetic material of an organism.
Operational is something that is in use. Operational also mean ready for use.
moral
dissolvable
mass
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.
The permanent change in a gene or a chromosome is called Mutation.
Ennui is the definition of boredom.
they are kool...
It is the past of the verb to come.
dividend
something that you know