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