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