SortStack #2358 — 2032-11-22

By size · Order from shortest to longest.

1. A single E. coli bacterium 2 µm

   About 2 micrometres long, E. coli divides every 20 minutes, so one cell can become billions inside a single day.

2. A domestic cat (body length) 49 cm

   A cat has 32 muscles in each ear, letting it swivel them independently to pinpoint a sound's source.

3. An acoustic guitar 99 cm

   The guitar's hollow body acts as an amplifier, resonating the strings' vibration into the air around it.

4. A red kangaroo (standing) 1.5 m

   Kangaroos cannot walk backwards, a trait so iconic it earned them a spot on Australia's coat of arms.

5. Mount Kilimanjaro, Tanzania 5.9 km

   You can walk from tropical jungle to arctic glaciers on its slopes, passing through five climate zones in days.

6. 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.

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