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