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