Has there been a steady decrease in the height of Greenland in the 20th Century?
(a) Yes.
(b) No.
(c) The height has increased and decreased due to changing wind patterns.
(d) Yes, because of dramatic increases in the calving rate of glacial ice into the
surrounding ocean.
(a) Yes.
(b) No.
(c) The height has increased and decreased due to changing wind patterns.
(d) Yes, because of dramatic increases in the calving rate of glacial ice into the
surrounding ocean.