The correct answer is five.
According to David Dickinson, a researcher who was interested in the communication between teachers and students, the optimal number of back-and-forth exchanges that a teacher should have with his student in a conversation is five. Fewer than that is too few; more than that is too many.
Answer:
-The amount of one currency that can be traded for a unit of another currency is the exchange rate.
-Many exchange rates float, or constantly change.
-It is best to travel abroad when the exchange rate gets you more units of a foreign currency.
Explanation:
The exchange rate is how much your currency is worth by comparison to a different currency. Those values are affected by local and international markets, government, and other things, so it's cheaper for you to travel when you can buy other currency when the value of that coin is lower. This makes you able to spend more there for much less money.
Answer:
predictive validity
Explanation:
Predictive validity -
It refers to the extent to which the score relates or matches to some predicted value of score , is referred to as predictive validity .
It the value is very close to the predicted value , then there is high predictive validity .
And ,
It the value is far more different from the predicted value , the there is low predictive validity .
Hence , from the given information of the question ,
The correct answer is predictive validity .
The term used to encompass all of a nation’s activities that are directed at conducting relations with other countries, including military operations and diplomatic activities is foreign policy. These are set of policies that are set by a country to protect the nation's interests and to achieve its goals with international relations.