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