Land use
Energy
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BIOFUEL
COAL
ISOTOPES
MAGMA
MANTLE
MELTDOWN
MINERAL
NATURAL
REMOVAL
RESOURCE
RESOURCES
| S | Q | W | E | B | A | S | N | B |
| X | E | P | K | I | M | E | N | E |
| R | L | C | J | O | G | P | W | C |
| E | A | A | R | F | A | O | O | R |
| M | R | Y | R | U | M | T | D | U |
| O | U | P | K | E | O | O | T | O |
| V | T | F | A | L | N | S | L | S |
| A | A | C | O | A | L | I | E | E |
| L | N | E | L | T | N | A | M | R |
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