Economic: first two concepts2. Geological: the third conceptC. Two common mistakes made in resource evaluation:1. Current Reserves â  Potential ReservesThe static reserve index is a commonly used measure of how long a resource basewill last.a. DEFINITION: The static reserve index is the ratio of current reservesto current consumption.
Geography of Iran. When Persia became Iran. This article is a part of Persia or Iran by Professor Ehsan Yarshater, published in Iranian Studies, Vol. XXII, No.1, 1989. In 1935 the Iranian government requested those countries which it had diplomatic relations with, to call Persia Iran, which is the name of the country in Persian.
Tehran is the capital and biggest city. Iran is the eighteenth largest country in the world. It has more than 80 million people. Iran has been a member of the United Nations since 1945. It is a member of the Organization of the Petroleum Exporting Countries (OPEC). It is an Islamic republic.