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