Which is true about the specific gravity of the urine Indicator of urine concentration/ amount of solutes The normal specific gravity is between 1.01O XXXXXXXXXX A low specific gravity means there is...

Which is true about the specific gravity of the urine

1. 
   
   Indicator of urine concentration/ amount of solutes
   


2. 
   
   The normal specific gravity is between 1.01O - 1.025
   


3. 
   
   A low specific gravity means there is an excess fluid intake or diseases resulting to failure to concentrate urine
   


4. 
   
   Fluid deficit, dehydration, excess solutes like glucose causes high urine's specific gravity,
   

a. all are correct

b. 1,3 and 4 are correct

c. 1 and 2 are correct

d. 1,2, 4 are correct