At one point, the value of the United States dollar was set according to the gold standard. One of these examples is the fixed exchange rate. The gold exchange standard guarantees the fixed exchange rate to the currency of another country that uses the gold standard.
The answer would be letter A.
Answer:
Selective Visibility
Explanation:
Selective visibility is the one that is illuminating what the lighting director wants the audience and the public to see.
Also, the lightning director can hide if he wants that they are not wanting the public to see. This visibility can show the audience what is happening on stage. Lightning has many designs and any design can be ineffective if the public can't see the ones on stage properly.