| Answer | Crossword Clue |
|---|---|
| BLUEWHALE | Earth's largest mammal |
| MAUNALOA | Earth's largest volcano |
| MAUNALOA | Earth's largest active volcano |
| EURASIA | Earth's largest land mass |
| EURASIAN | Of Earth's largest landmass |
| EURASIAN | Of the earth's largest landmass |
| PERMIAN | Period marked by the largest mass extinction in earth's history |
