Multiple choice

In which year was the ozone hole discovered over Antarctica?

  1. 1972

  2. 1985

  3. 1970

  4. 1960

  5. None of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Antarctic Ozone Hole was discovered by the British Antarctic Survey from data obtained with a ground-based instrument from a measuring station at Halley Bay, Antarctica, in the 1981-1983 period. They reported the October ozone loss in 1985.