Saving Energy Guide
**Without Energy we are Nothing**
Most of the energy we use today comes from coal, oil, and natural gas. They are fossil fuels. They take millions of years to form and hey are non-renewable. It is obvious that we need to save energy whenever we can.
** In this app you will find relevant information regarding Saving of Energy.**
** What is Energy? And it's importance.
** Why it is importan...
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Category: Books & Reference
Updated: October 22, 2012
Version 2.0 [6.291456 MB]