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