The word you're looking for is waning. When the moon's illumination is increasing, it is waxing.
Urbanization became famous during industry revolution. There were factories being built and also there were more agricultural workers attracted to the work available then in the cities and also there were new immigrants that increases the population of the cities.
Answer:
Corona
Chromosphere
Photosphere
Explanation:
the Corona is the largest and most outermost layer of the sun, it extends millions of kilometers into outer space and is made of plasma
the chromosphere is the 2nd later of the sun, and is immediately above the Photosphere, and right below the Corona, it's about 3,000 to 5,000 kilometers deep
the photosphere is the innermost layer of the sun, and it's about 500 kilometers thick, it's where the sun's energy is released as light
sources
https://www.space.com/17160-sun-atmosphere.html
https://www.space.com/37832-corona-of-the-sun-is-a-mystery.html
my old science teacher lol
