Title rated 0 out of 5 stars, based on 0 ratings(0 ratings)
Unknown, 2010
Current format, Unknown, 2010, , Available.
Unknown, 2010
Current format, Unknown, 2010, , Available. Offered in 0 more formats
Explains how the Earth produces heat that can be used at the surface, describes how people have used this geothermal heat over the years, and discusses it as a possible source of renewable energy.
From the community