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