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The challenge for Wednesday, September 16, 2026

The four questions from that day on GutGuesser. The answers aren't here: you find them by playing.

1.The highest parachute jump was made from a balloon. How high did he jump from?

Transport · Source: Récord de Alan Eustace, 2014

2.What percentage of the Earth's water is fresh water?

Nature · Source: Balance hídrico global (USGS)

3.How many red blood cells does the body make every second?

Human body · Source: Eritropoyesis, 2·10⁶ células/s

4.How far does a monarch butterfly travel on its migration?

Animals · Source: Programas de seguimiento de Danaus plexippus

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We don't publish the answers. Every day there are four new questions, one minute, and whoever gets closest wins.

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