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