Multiple choice general knowledge science & technology

Over the last 100 years global sea level has risen by about

  1. 20 - 25 cm

  2. 10 – 12.5 cm

  3. Both the above

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Over the 20th century, global sea level rose approximately 10-20 cm, with option B (10-12.5 cm) being the closest. This rise is primarily due to thermal expansion of seawater and melting glaciers. Option A's range (20-25 cm) is too high for the past century.

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