<span><span>The BEST
answer is </span>Social and
economic differences promote a different kind of cultural development on either
side of the border. </span>
Boundaries restrict movement between
the two ethnic groups. This results to accumulation of differences in social
and economic activities due to relative exclusivity until they are well pronounced to be perceptible.
Answer:
Seismic waves from large earthquakes pass throughout the Earth. These waves contain vital information about the internal structure of the Earth. As seismic waves pass through the Earth, they are refracted, or bent, like rays of light bend when they pass through a glass prism.
thats prety much it
Explanation:
Answer:
Correct answer is The Ural Mountains.
Explanation:
The Caspian Sea is not correct answer as sea is marked with blue color.
The Sayan Mountains are more to the east, closer to the border with Mongolia.
The Caucasus mountains are between Caspian and Black Sea and that also is not correct.
Therefore, the only correct answer is Ural, as this mountains are also natural border between Europe and Asia.