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 |
N | E | K | S | A | X | E | N | L |
A | L | C | O | A | L | P | W | L |
T | E | A | R | L | Y | O | O | A |
U | U | M | R | U | B | T | D | V |
R | F | R | A | E | O | O | T | O |
A | O | M | E | G | N | S | L | M |
L | I | Q | Z | D | M | I | E | E |
T | B | E | L | T | N | A | M | R |
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