If you mean dispersion it mean splitting light into 7 parts.
They are used to create artificial rainbow effects
Answer:
Past perfect
Explanation:
If it started in the past, it has to be he past perfect
The Informal Economy is neither taxed nor monitored in any form of government . Example Prostitutes in United States
Explanation:
Advantages of Informal Economy :-
1. Large Scale Employment- Employment opportunity is given to large number of people.
2. Well Payed - As the owners do not have many tax obligations hence the employed people are well paid
Disadvantages of Informal Economy
1. No Job Security - No assurance of job as it is uncertain to work in a informal sector
2. Odd working hours - like night shifts are there which sometimes is uneasy and difficult to do.
The theme of The Story of My Life<span> by Helen Keller is the power of perseverance to overcome great obstacles. Keller is struck with an illness when she is a very young child that makes her blind and deaf, and she exists in a world of confusion. She can not communicate with others but wants desperately to make herself understood and to understand others. </span>
