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