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