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Crucigrama Sopa de Letras Hoja de Trabajo
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Natural Resource Crossword Puzzle

Horizontales
An industrial installation where a substance is refined
Produced by the internal heat of the earth
Energy derived from the sun's rays
Natural movement of the air
Refined to produce gasoline
Production of electric current at the junction of 2 substances exposed to light
Using the power of water currents to generate electric power
Coal of hard variety that burns with a little flame and smoke
A natural fuel such as coal, or gas
Natural/Artificial lake used as a source of water supply
Verticales
Dense radioactive metal used as a fuel in nuclear reactors
Not able to be renewed
Flammable gas
Of , containing , or of the nature of bitmen
Design turbine thermal input
Unrefined petroleum
Resources which are naturally replenished
A chemical obtained from petroleum and natural gas
A soft brownish coal showing traces of plant structure
Carbonized plant matter used as fuel