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biosphere |
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biosphereNarrow zone that supports life on our planet. It is limited to the waters of the Earth, a fraction of its crust, and the lower regions of the atmosphere. The biosphere is made up of all the Earth's ecosystems. It is affected by external forces such as the Sun's rays, which provide energy, the gravitational effects of the Sun and Moon, and cosmic radiations. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Depending on the specific water-use activity (Table 1), we manually collected either time-integrated or short-term ("grab") air samples into precleaned and evacuated SUMMA 6-L stainless steel canisters (Scientific Instrumentation Specialists, Moscow, ID, and Biospherics, Hillsboro, OR). Reservations for the federally managed Channel Islands National Park can be made three months in advance through Biospherics, (800) 365-2267; or visit the National Park Service Web site at www. The air samples were collected using precleaned and evacuated SUMMA polished 6-L stainless steel canisters (Scientific Instrumentation Specialists, Moscow, ID, and Biospherics, Hillsboro, OR). |
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