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