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