UPSC CDS 2 2023 GK Paper

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Question : 97 of 120
 
Marks: +1, -0
Which of the following pairs of Isolines and its properties are correctly matched?
1. Isonif : Snowfall
2. Isohel : Sunshine
3. Isohaline : Salinity
4. Isohypse : Cloudiness
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