Via the Huffington Post: The number of children living apart from their fathers has more than doubled in the last fifty years, from 11 percent in 1960 to 27 percent in 2010.
crust - the trait of being rude and impertinent; inclined to take liberties cheekiness, insolence, impertinence, impudence, freshness, gall rudeness, discourtesy - a manner that is rude and insulting
Note: The crust includes the continents and the ocean bottom and is generally estimated to be about five to twenty-five miles thick.Note: The crust is made from relatively lightweight rocks that floated to the surface when the Earth was molten early in its history.