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