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