Multiple choice general knowledge science & technology

On one square inch of human skin, there are 20 million microscopic creatures.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The actual density of microorganisms on human skin is far lower than 20 million per square inch. While human skin does host many microscopic organisms (bacteria, fungi, mites), the typical estimate of 20 million refers to the total across the entire body surface, not a single square inch.

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