In international trade, an exchange rate is a number that is used to show the value of one currency compared to another.
They were important because they made up a part of what is going on today, Hope this helps :)
1) B; the variety of drugs means this is a method for finding a general truth about drug sensitivity instead of about one specific drug
2) C; this is a proven statement from the study
3) B; this is a way the researchers determined the statement in question 2.
4) E; nerves aren't mentioned in the passage, so this is irrelevant information.
The last sentence: 5) C; this is something which was shown by the study
In Wundt's laboratory, introspection was used to assess immediate experience while Titchener came to favor the phenomenological method instead of the introspective method. I hope my answer has come to your help. God bless and have a nice day ahead!
