Verbos
Sobre la contaminación
Sobre los recursos naturales

Otras Palabras y Expresiones
Sobre los Animales
100
Limitar
What is to limit
100
El aerosol
What is aerosol
100
Suficiente
What is enough
100
El agujero
What is the hole
100
La escasez
What is the shortage
200
Conservar
What is to conserve
200
El pesticida
What is pesticide
200
La protección
What is protection
200
La electricidad
What is electricity
200
the government
What is El gobierno
300
Echar
What is to throw (away)
300
La contaminación
What is the contamination
300
Economico
What is economical
300
unless
What is A menos que
300
Grave
What is serious
400
Deshacerse de
What is to get rid of
400
waste
What is El desperdicio
400
Otras Palabras y expresiones: the ozone layer
What is La capa de ozono
400
La amenaza
What is the threat
400
to become aware of
What is Tomar conciencia de
500
to encourage
What is Fomentar
500
oil
What is El petroleo
500
natural resources
What is El recurso natural
500
provided that
What is Con tal que
500
Hunting
What is La Caza
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