| bogs | 0.30 |
| kerguelen | 0.25 |
| indonesia | 0.25 |
| the background | 0.25 |
| turn into coal | 0.52 |
| hold water | 0.52 |
| consist of soil | 0.45 |
| take thousands of years | 0.41 |
| build up over time | 0.39 |
| buried soil(s | 0.33 |
| consist of moss | 0.30 |
| consist of tree roots | 0.30 |
| turn into lignite coal | 0.30 |
| cover colossal amount o… | 0.30 |
| More » |
| low wet strength | 0.21 |
| quality | 0.16 |
| many uses | 0.16 |
| analgesic effects | 0.16 |
| a fossil fuel | 0.30 |