Multiple choice general knowledge

The term 'Isoneph' indicates the lines of equal ----------

  1. Cloudiness

  2. Salinity

  3. Rainfall

  4. Pressure

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A Correct answer
Explanation

Isonephs are lines connecting points of equal cloudiness on a weather map, similar to how isobars show pressure and isohyets show rainfall. They help meteorologists analyze cloud cover patterns.