A) Industrial processes B) Agriculture C) Deforestation D) Transportation
A) Chlorofluorocarbons B) Carbon dioxide C) Methane D) Nitrous oxide
A) By reflecting sunlight away from Earth B) By trapping heat in the atmosphere C) By reducing the Earth's magnetic field D) By causing the ozone layer to thicken
A) Nitrogen oxide B) Carbon dioxide C) Chlorofluorocarbons D) Methane
A) Reducing meat consumption B) Building wind turbines C) Burning of fossil fuels D) Recycling
A) The cooling effect caused by green rooftops B) The formation of clouds in the sky C) The process by which greenhouse gases trap heat in Earth's atmosphere D) The process of plants absorbing carbon dioxide
A) Industrial processes B) Wetlands C) Burning fossil fuels D) Agricultural practices
A) Global warming B) Higher levels of oxygen C) Cooling of the Earth's surface D) Increased ozone depletion
A) It amplifies the warming effect of other greenhouse gases B) It prevents the penetration of harmful UV rays C) It creates a cooling effect in the upper atmosphere D) It absorbs excess heat from the atmosphere
A) -18 °C (0 °F) B) 15 °C (59 °F) C) 5 °C (41 °F) D) 25 °C (77 °F)
A) 1.0±0.2 °C per decade B) 0.1±0.05 °C per year C) 0.27±0.1 °C per decade D) 0.5±0.1 °C per year
A) Ozone B) Water vapor C) Methane D) Carbon dioxide
A) 100% B) Over 50% C) 25% D) 75%
A) 5 years B) 100 years C) 12 years D) 50 years
A) Earth B) Titan C) Mars D) Venus
A) Geologic storage B) Biochar C) Atmospheric methane removal D) Carbon dioxide air capture
A) Decrease to pre-industrial levels B) Reach exactly 2.0 °C (3.6 °F) by 2050 C) Surpass 2.0 °C (3.6 °F) between 2040 and 2070 D) Stay below 1.5 °C (2.7 °F)
A) 1990 B) 2000 C) 1750 D) 1980
A) Orbiting Carbon Observatory B) Manometry C) DIAL D) Infrared analyzing
A) 1750 B) 1800 C) 1850 D) 1900
A) UNFCCC B) IPCC C) NOAA D) NASA
A) Tens of minutes. B) Centuries to millennia. C) Decades. D) A few years.
A) Photosynthesis B) Combustion C) Respiration D) Decomposition
A) Guy Stewart Callendar B) Svante Arrhenius C) John Tyndall D) Nils Gustaf Ekholm
A) Nitrous oxide B) Synthetic halocarbons C) Methane D) Carbon dioxide
A) Over the last decade B) Since the Industrial Revolution C) During the past century D) In the last five years
A) Manometry B) Range-resolved infrared differential absorption lidar (DIAL) C) Infrared analyzing D) Orbiting Carbon Observatory
A) Atmospheric Chemistry Observational Databases. B) Solar Radiation Data Center. C) Oceanic Carbon Dioxide Archive. D) Global Temperature Records Database.
A) 53.6±5.2 Gt CO2e B) 30.0±3.0 Gt CO2e C) 40.5±4.5 Gt CO2e D) 70.0±7.0 Gt CO2e
A) Corn farms B) Soybean plantations C) Wheat fields D) Rice paddies
A) Methane emissions B) Carbon dioxide emissions C) Ozone depletion D) Nitrous oxide emissions
A) 30 ppm. B) 50 ppm. C) 90 ppm. D) 120 ppm.
A) Methane B) Argon C) Nitrous oxide D) Carbon dioxide
A) 'Negligible impact' B) 'Dangerous' C) 'Desirable for economic growth' D) 'Safe and sustainable'
A) 50% B) The first 10% C) 100% D) 80%
A) 22% B) 33% C) 11% D) 44% |