Global dimming - Quiz
A) Atmospheric particulate matter B) Decreased cloud cover C) Changes in Earth's orbit D) Increased solar activity
A) 1950s B) 1940s C) 1980s D) 1990s
A) Water vapor B) Sulfate aerosols C) Methane gas D) Carbon dioxide
A) 10–12% B) 4–5% C) 20–25% D) 1–2%
A) It masked the extent of warming B) It eliminated warming C) It accelerated warming D) It had no effect on warming
A) It expanded significantly B) It disappeared C) It shifted southwards D) It shifted northwards
A) 1970s monsoon flood B) 1980s Amazon fire C) 1984 Ethiopian famine D) 1990s Sahara drought
A) Solar intensification B) Atmospheric clearing C) Global brightening D) Surface radiance
A) 0.1 °C B) 2.0 °C C) 0.5 °C D) 1.5 °C
A) Reduce air pollution B) Counteract global warming C) Increase precipitation D) Repair the ozone layer
A) To maintain global rainfall B) To prevent a rapid return of warming C) Because aerosols disperse quickly D) To balance solar activity
A) It stabilizes precipitation B) It eliminates condensation C) It lowers evaporation D) It increases evaporation
A) It fluctuated randomly B) It increased C) It remained stable D) It decreased
A) Nations are acting to improve public health B) Industrialization has completely ceased C) Solar activity is decreasing D) Natural filters are removing aerosols
A) The altitude of release B) The cost of implementation C) Its effects on weather systems D) The type of chemical used
A) Visible smog layers. B) Less sunlight was filtering through. C) More ultraviolet radiation. D) Higher temperatures than at the surface.
A) Atsumu Ohmura. B) A group of climatologists in Estonia. C) The Swiss Federal Weather Agency. D) A researcher from the Los Angeles Institute.
A) 6–7% per decade. B) 0.1–0.3% per decade. C) 2–3% per decade. D) 4–5% per decade.
A) Only ultraviolet radiation. B) Only radio waves. C) Visible light and infrared radiation. D) All parts of the spectrum equally.
A) Cloud cover has no effect on infrared radiation. B) Cloud cover actually increased. C) Cloud cover completely blocks all light. D) Dimming occurred even when skies were clear.
A) 1970s. B) 1960s. C) 1990s. D) 1980s.
A) Only in Swiss research journals. B) Only in the United States. C) Estonia, Germany, Israel, and the former Soviet Union. D) Across South America and Africa.
A) They evaporate water droplets B) They decrease the number of droplets C) They increase the size of droplets D) They act as nuclei for water droplets
A) They have no effect on reflectivity B) They make clouds more reflective C) They make clouds less reflective D) They make clouds transparent
A) They increase rainfall B) They decrease rainfall C) They cause flash flooding D) They have no impact on rainfall
A) Vehicle exhaust emissions B) Agricultural waste burning C) Dimethyl sulfide from oceanic plankton D) Industrial coal burning
A) Mount Pinatubo B) Krakatoa C) Mount Vesuvius D) Mount St. Helens
A) 40 million tons B) 10 million tons C) 3 million tons D) 80 million tons
A) 40 million tons B) 3 million tons C) 80 million tons D) 15 million tons
A) Soot B) Smog C) Sulfates D) Dust
A) Complete combustion B) Incomplete combustion C) Nuclear fusion D) Chemical precipitation
A) Diesel combustion B) Oceanic plankton C) Coal use D) Volcanoes
A) Diesel combustion B) Coal use C) Agricultural burning D) Forest fires
A) 10 million B) 1 million C) 7 million D) 500,000
A) New York B) Denver C) Tokyo D) London
A) 500 times B) 190 times C) 50 times D) 10 times |
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