Multiple choice general knowledge

How much have ice caps reduced since 1970?

  1. 10%

  2. 20%

  3. 30%

  4. 40%

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

Scientific data shows that Arctic sea ice has declined significantly since 1979 (when satellite monitoring began), with estimates ranging from 30-40% reduction. The 40% figure falls within the documented range of ice loss due to global warming, making it a reasonable answer choice.