Answer:
the difference between fundamental and derived unit are:
fundamental unit: it does not depend upon other unit. ex- length, mass, time, temperature etc. They are not formed from other units.
derived unit: it depends upon other physical quantities. ex- m2(square)or sq.m.It is formed from the combination of two.or more fundamental units
The answer is true..........
It is A. Cohabitants may live respectively so as to spare cash, due to the comfort of living with another, or a need to discover lodging. Lower salary people confronting money related vulnerability may postpone or maintain a strategic distance from marriage, not just due to the trouble of paying for a wedding yet in addition as a result of dread of monetary hardship if a marriage were to end in separation.