Show North America Sinking Scientists say sa that tilt the orth North American Amer ican lean continent continent is is t lowly sinking inking bIt hf the ocean the rate rato hein being about t tinch n inch a year At an any rate ate however howe eTi the sn say tilL change Is co toh cop in lag ing for anyone amone to hp become j joel over ovel- as us cl changer an c of tiit this kind hail been noted note with no lU cataclysmic c on in an any considerable portion tit lit f tI It I earths earth's surface since the time lime of r re re recorded corded history t |