In case of drastic emergency or fallout if the us were to stand alone it would need supplies it could get on its own
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।
<span>Distant - tsunami travels thousands of kilometers before reaching shore
Local - forms near the coast, strikes with little warning</span>
I think (A) but let someone double check
