- 1. Which of the following gases is known to contribute to global cooling?
A) Sulfur dioxide
B) Methane
C) Nitrogen oxide
D) Carbon dioxide
- 2. During what period did scientists have concerns about global cooling?
A) 2000s
B) 1950s
C) 1970s
D) 1990s
- 3. Which of the following is NOT a factor that can contribute to global cooling?
A) Solar dimming
B) Deforestation
C) Volcanic eruptions
D) Soot
- 4. Which volcanic eruption in 1815 led to the 'Year Without a Summer' in 1816?
A) Krakatoa
B) Mount St. Helens
C) Vesuvius
D) Mount Tambora
- 5. Which layer of the atmosphere can play a role in global cooling due to ozone depletion?
A) Ionosphere
B) Troposphere
C) Mesosphere
D) Stratosphere
- 6. What type of aerosols can contribute to global cooling by reflecting sunlight back into space?
A) Methane aerosols
B) Nitrous oxide aerosols
C) Carbon aerosols
D) Sulfate aerosols
- 7. What is the name of a period in Earth's history known for severe glacial episodes?
A) Heatwave Era
B) Tropical Fever
C) Thawing Period
D) Ice Age
- 8. Which climate event in the Pacific Ocean can sometimes lead to global cooling effects?
A) El Niño
B) Indian Ocean Dipole
C) La Niña
D) North Atlantic Oscillation
- 9. What is the term for the process of ice sheets and glaciers expanding globally?
A) Desertification
B) Deforestation
C) Heatwave
D) Glaciation
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