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