Which of the following is incorrect relative to a rise in sea level?

Which of the following is incorrect relative to a rise in sea level?a. About 25 percent of the rising level is due to thermal expansion b. Concern is focused on the contribution from the melting of already floating ice. c. Sea level has risen an estimated 10 to 20 cm (4 to 8 in.) this century. d. The largest contributor to the sea level rise is the melting of ice on land.