A) Irrigation B) Hydroelectric power generation C) Navigation D) Flood control
A) Paraguay and Bolivia B) Paraguay and Argentina C) Paraguay and Brazil D) Brazil and Argentina
A) 50 B) 10 C) 30 D) 20
A) Rio Grande B) Amazon River C) Paraná River D) Tigre River
A) 1978 B) 1984 C) 1990 D) 1980
A) Biodiversity B) Historical monuments C) Industrial facilities D) Residential areas
A) Urban areas B) Forests and wetlands C) Deserts and mountains D) Farmlands
A) Adventure tourism B) Ecotourism C) Historical tourism D) Cultural tourism |