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