11. ¿Como lo pasaste?
12. tomar sol
13. fantástico, impresionante
14. fui, fue, fuiste
15. aprendí, aprendiste
The an should be A, the first choice.
Biogeografía, Climatología, Geomorfología
I believe the answer is A. Sale. Hope this helps!
The 1824 Constitution of Mexico establishing a federal republic had been overturned and changed into a centralist military dictatorship by Gen. Antonio López de Santa Anna.