Large Rivers: Geomorphology and Management lists the Mekong as the fourth largest river for annual volume flow with 667,000 cubic meters -- 25 million cubic feet. It ranks 12th in the world and seventh in Asia in length.
18 (In some countries, it is age 18.) You must be at least 13 years old to register for an account on Facebook. According to the Facebook Privacy Policy page: No inform â¦ ation from children under age 13.
Facebook - 1.2 Billion Users. Facebook's user base is dominated by 25+, but they still have 50+ million user under the age 25. Facebook is a great place to start social media marketing, because your audience will generally lie within one of their age demographics.