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