Respuesta :
C. Arctic regions were inhabited by many different groups of people.
Answer: C) Arctic regions were inhabited by many different groups of people.
Explanation: In the given passage we can see the description of how many ethnic groups lived in artic regions, like the Inuit in Greenland, the Saami in Norway and the Aleuts, Native Americans and Inuits in North America. From the given options the one that best expresses the main idea of the passage, is the corresponding to option C: Arctic regions were inhabited by many different groups of people.