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