Global Warming: The Human Contribution

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Language: English

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The water cycle constantly replenish es Earth’s supply of freshwater, which is essential for almost all living things. The particulate breakdown of rock or soil into clastic sediment is referred to as physical or mechanical erosion; this contrasts with chemical erosion, where soil or rock material is removed from an area by its dissolving into a solvent (typically water), followed by the flow away of that solution. Saga Magazine’s UFO Annual [980, p4], under the heading ‘Cave Martians’, described a bizarre encounter with subterranean creatures which seemed to have consisted of some type of automaton-like forms, perhaps on a reconnaissance mission from an underground civilization.

Pages: 187

Publisher: Jack Barrett, the author, is a physical chemist now retired from an academic career spent at Chelsea College London (May 14, 2012)


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