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