I1S1O1S1T1A1S1Y4
11 points
ISOSTASY is validvalid
the state of balance in the earth's crust [n ISOSTASIES]
the state of balance in the earth's crust, also ISOSTACY [n ISOSTASIES]
the state of balance in the earth's crust [n ISOSTASIES]
the state of balance in the earth's crust, also ISOSTACY [n ISOSTASIES]