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Greenhouse Gases - Exam
Contributed by: Christie
  • 1. What is the primary source of methane emissions?
A) Agriculture
B) Transportation
C) Industrial processes
D) Deforestation
  • 2. Which greenhouse gas is known for its strong heat-trapping ability?
A) Chlorofluorocarbons
B) Methane
C) Carbon dioxide
D) Nitrous oxide
  • 3. In what way do greenhouse gases contribute to global warming?
A) By reflecting sunlight away from Earth
B) By causing the ozone layer to thicken
C) By trapping heat in the atmosphere
D) By reducing the Earth's magnetic field
  • 4. Which human activity has led to an increase in atmospheric carbon dioxide levels?
A) Burning of fossil fuels
B) Reducing meat consumption
C) Recycling
D) Building wind turbines
  • 5. What role does water vapor play in the greenhouse effect?
A) It creates a cooling effect in the upper atmosphere
B) It absorbs excess heat from the atmosphere
C) It amplifies the warming effect of other greenhouse gases
D) It prevents the penetration of harmful UV rays
  • 6. What is the greenhouse effect?
A) The formation of clouds in the sky
B) The process by which greenhouse gases trap heat in Earth's atmosphere
C) The process of plants absorbing carbon dioxide
D) The cooling effect caused by green rooftops
  • 7. What is one natural source of methane emissions?
A) Industrial processes
B) Wetlands
C) Burning fossil fuels
D) Agricultural practices
  • 8. What is the main consequence of elevated levels of greenhouse gases in the atmosphere?
A) Higher levels of oxygen
B) Increased ozone depletion
C) Global warming
D) Cooling of the Earth's surface
  • 9. Which greenhouse gas is most responsible for the ozone hole over Antarctica?
A) Chlorofluorocarbons
B) Methane
C) Carbon dioxide
D) Nitrogen oxide
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