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Søkt på: Bøker av Ron Fridell
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Seven Wonders of Transportation
e-bok,
2010,
Engelsk,
ISBN 9780761359937
In every age, science and technology have advanced human civilization. From architecture to engineering, medicine to transportation, humans have invented extraordinary wonders. …
Protecting Earth's Water Supply
e-bok,
2015,
Engelsk,
ISBN 9781512410518
From roaring oceans to trickling streams, water covers seventy percent of our planet! But did you know that less than one percent of Earth's water is usable by humans? Most water …