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