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