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