What power source would be best for Mongolia's future? View Available Hint(s)for Part J oil solar wood coal nuclearWhat is the approximate population of the Beijing metropolitan area? View Available Hint(s)for Part B more than 20 million people between 1and 5 million people between 5 and 10 million people between 12,000 and 12,801 people between 10 and 20 million peopleWhy do so many countries claim the Spratly Islands? View Available Hint(s)for Part C The islands' lithium mines are valuable for battery production. They are a valuable tourist destination for people in the region. The sea around the Spratly Islands is a breeding ground for the Asian Arowana, one of the world's most expensive tropical fish. A very productive vein of gold was recently discovered there. Petroleum reserves may be present there