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