LIBROS DEL AUTOR: john a wolfe

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  • Mineral Resources a World Review
    John A. Wolfe
    This volume discusses the mineral resources upon which modern civiliza­ tion is built. Take away these minerals and humanity will rapidly return to the stone age, with its greatest concern the depletion of flint (also a mineral). It would, of course, result in about a 99% reduction in population. In other words, approximately 99% of the worlds’ popula...
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