SortStack #2372 — 2032-12-06

By size · Order from shortest to longest.

1. An average adult human 1.8 m

   Humans have grown roughly 10 centimetres taller on average over the past 150 years thanks to better nutrition.

2. Mont Blanc, the Alps 4.8 km

   Its summit is buried under permanent ice so thick that the official height changes slightly with the snow each year.

3. Mount Everest 8.8 km

   Its summit is made of marine limestone, lifted from an ancient seabed, so the top of the world was once underwater.

4. The Mariana Trench (depth) 11 km

   If Everest were dropped into it, the peak would still sit more than two kilometres below the surface.

5. The cruising altitude of Concorde 18 km

   Concorde flew so high that passengers could see the curvature of the Earth and the dark of space above.

6. New Zealand's South Island (length) 840 km

   It is home to fewer than two million people but more than ten times as many sheep.

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