Answer:
an animal that feeds on flesh
Answer: RACE
Explanation:
That is the variable factor here is the RACE of the men in the study.
Its one of the answers in front of you and I think its C
An exchange rate is how much of your country's currency buys another foreign currency. For some countries, exchange rates constantly change, while others use a fixed exchange rate. The economic and social outlook of a country will influence its currency exchange rate compared to other countries. Hope this helps