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The top documents tagged [sea water0]
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sea water0
Phys 102 – Lecture 6 Circuit elements: resistors, capacitors, and batteries 1.
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Climate Drivers: Internal Global Change Ecology PBIO 275.
235 views
Pesticides and the GREEN REVOLUTION can we feed the planet? Since 1950 food grew faster than population: population growth:1.7% per year food growth: 3%
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The groundwater source as a hygienic barrier Dr. Sylvi Gaut, NGU GroPro, September 2008.
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mass of the atmosphere: 5 x 10 18 kg mass of the atmosphere: 5 x 10 18 kg 1 ppm of this is 5 x 10 12 kg Tis is 5 x 10 9 tonnes Or: 5 billion tonnes.
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Hodgkin & Huxley I. The Na + Hypothesis
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Hodgkin & Huxley I. The Na + Hypothesis
61 views
October 12, 1999: 6 billion! Now doubling every 61 years December, 2012: 7 billion!
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