The countries in the Middle East are oil rich, so they are profiting offf oil. China and Malaysia are rich because they make clothing and other needs and ship them over here. Bangladesh profits off making clothing like weavings, but has lost lots of money in previous years due to flooding.
In a large scale map you can make out smaller details better but with a small scale map you have more portability.
Answer:
वायुमण्डल में एक निश्चित मात्रा में पाई जाने वाली गैसों- नाइट्रोजन, ऑक्सीजन तथा कार्बन-डाई-ऑक्साइड की मात्रा क्रमशः 78 प्रतिशत, 21 प्रतिशत और 0.3 प्रतिशत है और शेष असक्रिय गैसें पाई जाती हैं।
Antarctica. It is basically an icy landmass