The seven-continent model is usually taught in China and most English-speaking countries. The six-continent combined-America model is taught in Latin America, and most parts of Europe including Germany, Greece, Italy, Portugal and Spain. So i will not argue which is correct, but as you can see there is no stantard global concept on this. And i know from personall expirience since i live in a country where we are learning in school about America as one continent (although again i want to stess out i do not thing thats the correct way). The issue with the question remains though
As for your marathon question, i was researching the km answers so naturally it seem you got the answers wrong. After i evaluated it and saw what answer you had there (cost me 20% bonus of the hunt
), i realised what you did wrong. If i had realised earlier i would evaluate misspelling