Explanation:
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. When a neutral molecule has a positive area at one end and a negative area at the other, it is a polar molecule.
Answer:
Braille. In 1824, a 15 year old Louis Braille first presented his system of written communication, today known simply as braille. ...
Explanation: