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