Due to the similarity of their physical traits, Europe and Asia are sometimes combined into a single region. hence option C is correct.
The Aegean Sea, the Caspian Sea, the Turkish Strait, the Black Sea, the Greater Caucasus, and the Ural River and Mountains are frequently used to define the border between Asia and Europe. However, there are disagreements regarding the precise limit.
The complete part of the question is :
A. all of the countries belonging to the UN security council
B. only two religions dominate the area
C. there is little variation in their physical characteristics
D. all of the countries are members of NATO
Because of the geographical concept, Eurasia is essentially united. Eurasia is the name given to the combined physical features of Europe and Asia. Europe and Asia make up the largest continent by combined land mass.
Hence, the correct answer is C.
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