1.

A point A is on a mountain which is \[2222\text{ }m\] above sea-level and a point B is in a mine which is \[1111\text{ }m\] below sea-level. What is the vertical distance between A and B?

A.  \[1111\text{ }m\]                   
B.  \[2222\,\,m\]   
C.    \[3333\,\,m\]           
D.                \[-1111\,m\]               
Answer» D.                \[-1111\,m\]               


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