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.
Answer:
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Nitrogen (78%), Oxygen (21%), Argon (0.9%), and the remaining 0.1% consists of traces of neon, krypton xenon, carbon dioxide, nitrogen oxides, and traces of others. so Nitrogen is the greatest. I hope this helps :)
Reddishness is due to iron content in the rock, simply the ferrous oxides.. mostly found on earth
In 2012, the amount of farmers, ranchers and other agricultural managers was 3.2 million. Also, 757,900 estimated agricultural workers were legally employed in the US.