Tourism (2) Grammar, Comparative and general--Noun (2) Fate and fatalism (2) Dependency (2) Carbon dioxide (2) Biotic communities (2) Dependencia (2) Sustantivo (2) Dióxido de carbono (2) Fatalismo (2) Turismo (2) Turismo (2) Ecosistemas (2) Turismo (2) Social sciences (1) Ciencias sociales (1)