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