Multiple choice general knowledge What is the name of the world's longest glacier? Qarayaq Glacier in Greenland Lambert Glacier in Antarctica Blackstone Glacier in Alaska The Ross Ice Shelf in Antarctica Reveal answer Fill a bubble to check yourself B Correct answer Explanation The Lambert Glacier in Antarctica is the world's longest glacier, stretching approximately 400 kilometers. It's part of the East Antarctic Ice Sheet and drains into the Amery Ice Shelf, making option B correct.