Which statements are true about Greenland?

Greenland's borders are the Atlantic Ocean and the Arctic Ocean.
Greenland's borders are the U.S., Canada, and Iceland.
Greenland is primarily grassland.
Greenland is covered by ice.
Greenland's soil does not support farming.
Greenland is an island

The statements that are true about Greenland are:

- Greenland's borders are the Atlantic Ocean and the Arctic Ocean.
- Greenland is covered by ice.
- Greenland is an island.