jueves, 31 de marzo de 2011
jueves, 10 de marzo de 2011
Save the Planet
Pollution can take the form of chemical substances or energy, such as noise, heat, or light. Pollutants, the elements of pollution, can be foreign substances or energies, or naturally occurring; when naturally occurring, they are considered contaminants when they exceed natural levels.
Recomendations
1. Cutting down on the amount of waste that you create.
2. Reduce the amount of water you use.
3. Think carefully before using paper.
4. Stop using plastic.
5. Give your car a break.
Unsolved Mysteries
The man is commiting a crime
The man is Breaking a law
The detective is solving the case
The police is catching the criminal
The police is questioning the criminal
The criminal makes a confession.
The police arrested the criminal.
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