How it works series

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howitworksseries

How the environment works

1994
Promotes an understanding of the environment by looking at how animal species become extinct, the importance of rain forests, energy sources, and the benefits of recycling, landfill improvements and clean-up programs.

How the Internet works

1996
Discusses the Internet by exploring its basic functions and uses and examines such areas as Internet tools, its use in communications, compatibility with multimedia, and options in safeguarding information.
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