[问答题]
Explain why fog or r:ut zhn4o (y8t 6hh6gpain drxt;b)5 gtxuoi*n9 af 0oplets tend to form around ions or electrons in the airu x0f5ntgobt)i a9*;x.
参考答案: Water is a polar molecule –
it has a positive region and a negative region.
Thus it is easily attracted to some other charged object, like an ion or
electron in the air.