Question 15Asked in RRB JE CBT-1, 18 Dec 2024, Shift 1 (9:00 AM)

In which year did the amount of ozone begin to drop sharply in the atmosphere?

  1. A1970
  2. B1980
  3. C1960
  4. D1950
Show answerHide answer

Correct answer: (B) 1980

From RRB JE CBT-1 PYQ 18 Dec 2024, Shift 1 (9:00 AM)

This is question 15 of RRB JE CBT-1 PYQ 18 Dec 2024, Shift 1 (9:00 AM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.