Challenger App

No.1 PSC Learning App

1M+ Downloads
ഓസോൺ പാളിയിലെ ആദ്യ വിള്ളൽ കണ്ടെത്തിയത് ഏത് വർഷമാണ്?

A1980

B1985

C1986

D1990

Answer:

B. 1985

Read Explanation:

ഓസോൺ പാളിയിലെ ആദ്യ വിള്ളൽ കണ്ടെത്തിയത് 1985ലാണ്.


Related Questions:

Which kind of pollution is caused mainly due to agrochemical waste?
A Water Audit primarily encourages which of the following practices?
The Mauritian "calvaria"tree, soon after the dodo bird became extinct, stopped sprounting seeds, and it appeared it would soon face extinction itself. This Phenomena is known as ?
Which year did the Government of India make Environmental Auditing mandatory for certain industries?
In the list of six largest greenhouse gas emitting countries, where do India stands?