App Logo

No.1 PSC Learning App

1M+ Downloads
When was the first ozone hole discovered?

A1970

B1985

C1980

D1990

Answer:

B. 1985

Read Explanation:

Ozone depletion

  • It is from a scientific article published by the scientist Joseph Farman in 1985 in the 'Nature' Magazine that the dreadful influence of ozone depletion got public attention. International Geophysical year was celebrated in the year 1957.


Related Questions:

Above which layer of the atmosphere does the Exosphere lies?
Layer of atmosphere in which Ozone layer lies is;

Factors influencing the amount of water in the atmosphere:

  1. Rate of evaporation
  2. Closeness to the surface water sources such as oceans, rivers and other water bodies.
    The water vapour condenses around the fine dust particles in the atmosphere are called :
    Earth Summit, 1992 was held in which city ?