| Answer | Crossword Clue |
|---|---|
| YTTERBIUM | One of the rare earths |
| PACIFICOCEAN | One-third of the earth's surface |
| ASIA | One-third of the earth's land |
| ASIA | One third of the earth's land. |
| ASIA | One-third of the earth's land. |
| RUSSIA | One-sixth of the earth's land surface. |
| RUSSIA | More than one-ninth of the earth's land |
