Maps 101Online version guide for first quiz by Amos Liles 1 Nile 2 Alexandria 3 Cairo 4 Jerusalem 5 Euphrates 6 baghdad 7 tigris 8 Medina 9 Mecca 10 Amazon 11 Gobekli Tepe 12 Athens 13 Constantinople 14 Rome 15 Danube 16 Volga 17 Indus 18 ganges 19 Nepal 20 Yellow 21 Yangtze 22 Lu(China) 23 Cordoba