1.

The temperature of a solution increased from \[-{{13}^{o}}C\] to \[-{{5}^{o}}C\]. Find the change in temperature.

A.  \[-{{18}^{o}}C\]                            
B.  \[-{{8}^{o}}C\]      
C.    \[{{8}^{o}}C\]       
D.    \[{{18}^{o}}C\]     
Answer» D.    \[{{18}^{o}}C\]     


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