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.
U.S. Sanctions On Russia Are Financial Warfare. On June 17th, the US announced further sanctions against Russia because of its support for rebels in the Ukrainian civil war. The new sanctions are widely considered to be tough. But they are also difficult to understand. The extent of their legal and practical application is by no means clear (yet very clever).