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