| Answer | Crossword Clue |
|---|---|
| LAVA | Its source is magma. |
| NILE | Its source is Lake Victoria. |
| BLUENILE | Its source is Lake Tana |
| CAROB | Its pulp is a food source |
| EBRO | Its source is in the Cantabrian Mountains |
| REDDEERRIVER | Its source is in Banff National Park |
| COAL | Its burning is a major source of Beijing smog |
