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IR |
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IR The two-character ISO 3166 country code for IRAN, ISLAMIC REPUBLIC OF. 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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| Dyer says the study is the first to demonstrate that microorganisms can both enhance and erase the iridium concentration in rock. The Blue Sky Network and Iridium equipment ensures that pilots have the global tracking and two-way communications they need to be in constant contact with ground control. When researchers discovered a high iridium level in sediments that had been deposited during the Cretaceous-Tertiary (K/T) mass extinctions, it stood out like a sore thumb. |
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