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.
Iranian Economy Minister Ali Tayebnia said that trade with Italy stood at $7 billion (6.4 billion euros) a year before sanctions were introduced. That number had dropped to $1.5 billion due to the restrictions, he was quoted as saying by Iranian news sites.ranian Economy Minister Ali Tayebnia said that trade with Italy stood at $7 billion (6.4 billion euros) a year before sanctions were introduced. That number had dropped to $1.5 billion due to the restrictions, he was quoted as saying by Iranian news sites.