What feature makes water a polar molecule?

In the covalent bond between oxygen and hydrogen, the oxygen atom attracts electrons a bit more strongly than the hydrogen atoms. The unequal sharing of electrons gives the water molecule a slight negative charge near its oxygen atom and a slight positive charge near its hydrogen atoms.

Ithink d hope that

They are like other investigations? say there was a murder u have to do blood test and finger prints which run through a lab.