SortStack #1574 — 2030-09-30

By size · Order from shortest to longest.

1. A sesame seed 3 mm

   Sesame is one of the oldest oilseed crops, cultivated for more than 3,000 years across Africa and Asia.

2. A roasted coffee bean 8.5 mm

   A coffee 'bean' is actually the seed of a cherry-like fruit that grows on shrubs near the equator.

3. A small recreational sailboat 9.4 m

   Modern sails work like vertical wings, generating lift that lets boats sail faster than the wind itself.

4. Lake Baikal (length) 636 km

   The world's deepest lake holds about a fifth of all the planet's unfrozen fresh water.

5. The River Rhine (length) 1.2K km

   It has been a vital trade highway since Roman times, still carrying more cargo than any other river in Europe.

6. The Great Barrier Reef (length) 2.3K km

   It is the largest living structure on Earth, built by tiny coral animals and visible from space.

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