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The DR Congo was the second highest recipient of international aid in 2011, receiving US $5.532 billion. [1] This is a list of countries based on the official development assistance (ODA) they have received for the given year. More comprehensive and current lists are available from the OECD (Table DAC2a) and the World Bank (Net official ...
The 2007 World Figure Skating Championships was a senior international figure skating competition sanctioned by the International Skating Union. Medals were awarded in the disciplines of men's singles, ladies' singles, pair skating, and ice dancing. The event was held at the Tokyo Metropolitan Gymnasium in Tokyo, Japan from March 20 to 25.
Copper (29 Cu) has two stable isotopes, 63 Cu and 65 Cu, along with 28 radioisotopes. The most stable radioisotope is 67 Cu with a half-life of 61.83 hours. Most of the others have half-lives under a minute. Unstable copper isotopes with atomic masses below 63 tend to undergo β + decay, while isotopes with atomic masses above 65 tend to ...