The climate is
typical of an arid or semiarid steppe, with cold winters and dry
summers. The mountain regions of the northeast are sub-arctic with dry
and cold winters.
Pashtu and Dari
are the official languages of Afghanistan. Pashtu was declared the
National Language of the country during the beginning of Zahir Shah's
reign, however, Dari has always been used for business and government
transactions. Both belong to the Indo-European group of languages.
The unit of
currency in Afghanistan is the afghani, which is divided into 100 puls.
Since 1981 the official rate of exchange has been fixed at 50 afghanis