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Answer:
When a currency appreciates, its goods are more expensive to other countries. When a currency depreciates, its goods are less expensive to other countries. Therefore, anything that changes a currency's value can impact real GDP, unemployment, and the price level.
Explanation:
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When a nation's currency appreciates or depreciates, this affects C. the nation's ability to purchase imports.
What is affected by the change in currency value?
When a currency appreciates, the imports they can buy becomes more in quantity because their currency is now strong enough to buy more things.
When a currency depreciates however, imports become more expensive to the people and so they import less.
In conclusion, option C is correct.
Find out more on currency appreciation and depreciation at https://brainly.com/question/16051120.