Why does Lima often have grey skies and a fine mist in winter without much real rain?
Answer and explanation
Correct answer: A. Cold sea air under a warmer layer forms low cloud (garúa) that gives mist but very little rain
- Step 1: The Humboldt Current cools the air near the sea, which sits under a warmer layer. Step 2. This stable arrangement makes a low cloud deck and drizzle-like mist, but not real rain. Answer: A cold-air layer forming low cloud. Why not the others: The wrong options describe storms, snow or monsoon rains that Lima does not have.
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