The answer is interval.
I do have some experience, I'm a pianist and singer.
Answer:
Many scales are diatonic including Major, Minor (the Harmonic minor is an exception) and modal scales. Examples of non-diatonic scale are pentatonic, octatonic and whole-tone scales.
Answer:
I would personally say that "one" would probably give up on life if there is no family(relitives), or if "one" is not financially healthy. Or suffering in types of ways such as, "no legs or arms", so "one" would say "there is no point in life now".
Hope i helped!
I am not sure but i think it is mobilization
