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