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Choose the correct statements about currencies and the foreign exchange market.
1. Upper a fall in the exchange rate is called a devaluation of the dollar.a fall in the exchange rate is called a devaluation of the dollar. nothing
2. The exchange rate exchange rate fluctuates. nothing
3. Upper a rise in the exchange rate is called an appreciation of the dollar.a rise in the exchange rate is called an appreciation of the dollar. nothing
4. Foreign currency is always in the form of notes or coins.foreign currency is always in the form of notes or coins. nothing