I think you forgot to give the options along with this question. I am answering the question based on my knowledge and research. Spaniards was the group that lived on the continent of South America for the longest time. I hope the answer has come to your help.
Habitat climate,warmer temperatures and increased radiation Hope this helps
From the given statements population have been migrating from region to region for thousands of years in Eurasia would best be classified under geography theme of region.
Answer: Option A
<u>Explanation:</u>
It is believed that there are five different themes of geography and they are location, place, human-environment interaction, movement and region. The constituents of these five themes encompass the whole subject of geography.
Human-environment interaction is defined as the study of how the humans are causing impact on the environment and how environment affects human.
It can affect by farming and rain hope this helps ☺