Three-quarters of Greenland is covered by what?
Correct answer: Ice sheet

Castra
Player Say what!?,
Some people, too many, won't believe in global warming and that we, as a species, are largely to blame.

tia
It's strange that Greenland is icy, whereas Iceland is mostly green!

Trisha
little b, who does!

little b
i dont like ice sheets

Player Say what!?
Lots a news reports that that ice sheet is melting very quickly.