Answer:
English in the U.S, Hindi in India, Bengali in Bangladesh, and Punjabi in Pakistan are all total different languages. I myself only know 3 Korean, English and Chinese. For example imagine I didn't know English and only Korean and traveled to the USA. It would be really hard to ask for something because I wouldn't know the language! So that is how language acts as a centripetal force.
Explanation:
They are alpha world cities of london and paris so that would be like mexico city or dublin,vienna,seoul,tehran
Antarctica is the furthermost south land on Earth
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ANSWER: the ring of fire is a major area in the basin of the Pacific ocean where many earthquakes and volcanic eruptions occur.