A) They reflect all solar radiation. B) They are composed of only one type of atom. C) They absorb and emit infrared radiation. D) They have a symmetrical electric charge distribution.
A) 21% B) 78% C) 0.9% D) 0.04%
A) They reflect infrared light instantly. B) They are too heavy for radiation to affect. C) They are monatomic gases. D) They lack asymmetry in their electrical charge distribution.
A) It is completely transparent. B) It emits only visible light. C) It reflects all thermal radiation. D) It absorbs all thermal radiation.
A) Asymmetry in electric charge distribution. B) Their total lack of electrical charge. C) Their monatomic structure. D) Their extremely high molecular density.
A) 78% B) 0.9% C) 0.04% D) 21%
A) Radiative forcing. B) Thermal equilibrium index. C) Atmospheric pressure density. D) Greenhouse gas saturation.
A) Watts per square meter. B) Degrees Celsius per year. C) Joules per cubic meter. D) Grams per square centimeter.
A) The atmospheric concentration of nitrogen increases. B) Additional cooling occurs. C) The Earth reflects more sunlight. D) Additional warming occurs.
A) Increased methane concentrations. B) Sulfates forming in the atmosphere. C) Decreased cloud cover. D) Increased carbon dioxide concentrations.
A) They increase the transparency of the air to radiation. B) They limit radiative heat flow away from the surface. C) They accelerate the upward transfer of heat. D) They cause the lower atmosphere to shrink.
A) The sun provides less energy to the upper layers. B) The upper atmosphere is absorbing too much solar radiation. C) Nitrogen levels are increasing in the upper atmosphere. D) Heat re-emitted by gases escapes to space more easily.
A) The upper atmosphere is becoming more dense. B) The upper atmosphere is shrinking. C) The upper atmosphere is becoming more reflective. D) The upper atmosphere is expanding.
A) It is a greenhouse gas. B) It is made of two atoms of different elements. C) It has an asymmetric charge. D) It is monatomic.
A) The number of monatomic gases present. B) The rate of solar rotation. C) The total volume of nitrogen in the atmosphere. D) The balance between incoming and outgoing energy.
A) 0 °C B) -18 °C C) 2 °C D) 15 °C
A) 25 °C B) 0 °C C) 15 °C D) -18 °C
A) Methane B) Water vapor C) Nitrous oxide D) Carbon dioxide
A) About half B) About three-quarters C) About 10 percent D) About 90 percent
A) 10% B) 25% C) 150% D) Over 50%
A) 200% B) 75% C) 50% D) 150%
A) Deforestation B) Burning of fossil fuels C) Waste production D) Agriculture
A) 100 years B) 12 years C) Thousands of years D) 6 months
A) 53.6 Gt B) 15.2 Gt C) 25.8 Gt D) 100.5 Gt
A) Argon B) Oxygen C) Nitrogen D) SF6
A) One-half B) One-tenth C) Three-quarters D) All of it
A) Methane B) Carbon dioxide C) Nitrous oxide D) Tropospheric ozone
A) Nine days B) One year C) 56 days D) 200 years
A) IPCC-recommended expressions B) Atmospheric chemistry C) Radiative forcing models D) Clausius–Clapeyron relation
A) 67% B) 41% C) 3% D) 0.01%
A) 56 times B) 37 times C) 420 times D) 84 times
A) 420 ppm B) 90 ppm C) 30 ppm D) 37 ppm
A) Mineral dust B) Nitrous oxide C) Carbon dioxide D) CFCs
A) Enhanced greenhouse effect B) Radiative transfer C) Industrial atmospheric forcing D) Water vapor feedback
A) Airborne fraction B) Source variability C) Atmospheric lifetime D) Emission threshold
A) Methane B) Carbon dioxide C) Nitrous oxide D) Water vapor
A) 50% B) 80% C) 30% D) 10%
A) 80% B) 30% C) 50% D) 10%
A) 2000 B) 1850 C) 1750 D) 1990
A) Very high B) Moderate C) Undefined D) Very low
A) Radiometry B) Tachometry C) Spectroscopy D) Manometry
A) Industrial filtration B) Photosynthesis C) Solar radiation D) Volcanic activity
A) Carbonic acid B) Hydrochloric acid C) Sulfuric acid D) Nitric acid
A) Carbon dioxide B) Synthetic halocarbons C) Methane D) Nitrous oxide
A) 5% B) 22% C) 33% D) 11%
A) 5% B) 22% C) 40% D) 11%
A) Pre-industrial Holocene B) The last decade C) The 21st century D) The industrial era
A) Cement manufacturing B) Photosynthesis C) Rainfall D) Ocean acidification
A) Turns into oxygen B) Forms carbonic acid C) Solidifies into ice D) Evaporates immediately
A) Soil B) Geologic formations C) Deep oceans D) Cloud droplets
A) Oxygen B) Nitrogen C) Methane D) Argon
A) CO2 B) N2 C) Water vapor D) Poly-atomic gaseous molecules
A) Svante Arrhenius B) Charles Keeling C) John Tyndall D) Nils Gustaf Ekholm
A) Titan B) Venus C) Mars D) Jupiter |