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