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