A) 1986 B) 1990 C) 1975 D) 2000
A) Hydrogen sulfide B) Nitrogen C) Methane D) Carbon dioxide
A) Reservoir B) Crater lake C) Glacial lake D) Artificial lake
A) Built a dam B) Evacuated nearby villages C) Pumped in oxygen D) Installed degassing pipes
A) Wildlife diversity B) Water temperature C) Soil fertility D) Air quality
A) Uganda B) Ghana C) Cameroon D) Nigeria
A) Tsunami B) Fluvial flood C) Glacial melt D) Limnic eruption
A) 10 meters B) 50 meters C) Approximately 100 meters D) 200 meters |