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Lake Nyos Disaster: The Day the Lake Gassed a Village
  • 1. What year did the Lake Nyos disaster occur?
A) 1990
B) 2000
C) 1986
D) 1975
  • 2. What gas was released during the Lake Nyos disaster?
A) Nitrogen
B) Methane
C) Hydrogen sulfide
D) Carbon dioxide
  • 3. What type of lake is Lake Nyos classified as?
A) Glacial lake
B) Artificial lake
C) Reservoir
D) Crater lake
  • 4. The release of gas from Lake Nyos affected which aspect of the environment?
A) Water temperature
B) Soil fertility
C) Wildlife diversity
D) Air quality
  • 5. What did researchers do to prevent another disaster at Lake Nyos?
A) Built a dam
B) Evacuated nearby villages
C) Installed degassing pipes
D) Pumped in oxygen
  • 6. What is the name of the phenomenon caused by carbon dioxide accumulating in lakes?
A) Limnic eruption
B) Fluvial flood
C) Tsunami
D) Glacial melt
  • 7. What height did the gas cloud from Lake Nyos reach?
A) Approximately 100 meters
B) 50 meters
C) 200 meters
D) 10 meters
  • 8. Which country is Lake Nyos located in?
A) Ghana
B) Cameroon
C) Nigeria
D) Uganda
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