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