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Blood Circulation ( рдкрд░िрд╕ंрдЪрд░рдг рддंрдд्рд░ )।।

рдкрд░िрд╕ंрдЪрд░рдг рддंрдд्рд░ рд╕ंрдмंрдзिрдд рдк्рд░рд╢्рдиोрдд्рддрд░ी ।। 1. рдХौрди рд╕ा ‘рдЬीрд╡рди рдирджी’ рдХे рд░ूрдк рдоें рдЬाрдиा рдЬाрддा рд╣ै? рдЙрдд्рддрд░: рд░рдХ्рдд 2. рд░рдХ्рдд рдкрд░िрд╕ंрдЪрд░рдг рдХी рдЦोрдЬ рдХी рдЧрдИ? ...

WATER

✅ Sources of fresh water→ Rivers, ponds, springs and glaciers
 
▪️Distribution of Water Bodies 
 
1. Oceans = 97.3%→ Saline Water

ЁЯФ╕Fresh Water
 
2. Ice – caps = 2% 
 
3. Ground – Water = 0.68% 
 
4. Fresh Water lakes = 0.009% 
 
5. Inland seas and salt lakes = 0.009%
 
6. Atmosphere = 0.0019%
 
7. Rivers = 0.0001%  
  
✅Salinity is the amount of salt in grams present in 1000 grams of water.
 
✅Average salinity of oceans = 35 parts per thousand
 
✅Dead Sea→ Israel: Salinity – 45 parts per thousand. 

ЁЯФ╕Swimmers can float in it  
because the increased salt content makes it dense.

#geography 
#prelims 
#mains

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