Land use
Energy
Advertisements
Login to be the first to rate this puzzle!
BIOFUEL
COAL
ISOTOPES
KEROGEN
MAGMA
MELTDOWN
MINERAL
NATURAL
REMOVAL
RESOURCE
RESOURCES
| O | L | S | C | O | A | L | W | S |
| T | N | E | O | T | K | S | E | N |
| L | W | P | U | R | E | C | I | A |
| A | O | O | Y | F | R | G | A | T |
| V | D | T | W | U | O | M | K | U |
| O | T | O | O | Z | G | I | F | R |
| M | L | S | M | A | E | M | B | A |
| E | E | I | M | U | N | W | U | L |
| R | M | I | N | E | R | A | L | F |
Advertisements
