Composition of the Atmosphere extended definition. The atmosphere contains many gases, most in small amounts, including some pollutants and greenhouse gases. The most abundant gas in the atmosphere is nitrogen, with oxygen second. Argon, an inert gas, is the third most abundant gas in the atmosphere.
(CNN)Iran has completed the necessary steps in a deal to restrict its nuclear program, meaning international economic sanctions are lifted, officials from the EU and the U.N. nuclear watchdog agency said Saturday. Relations between Iran and the IAEA now enter a new phase.
Due to sanctions, EU oil imports from Iran came to a halt. Total EU imports from Iran decreased by 86% between 2012 and 2013. Total EU exports decreased by 26% during the same period. In 2014 EU imports from Iran increased by 48% and EU exports increased by 18%.