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