The most difficult ecology riddles A list of ecology related questions that are most often answered incorrectly Nature quiz Which of the G8 countries is the smallest emitter of carbon dioxide?France. Low carbon dioxide emission in France is a result of large investments in nuclear technology. Most electricity produced by France is generated by 59 nuclear power plants. As a side-effect renewable energies are having difficulty taking off.very hard 34% FranceFrance34%CanadaCanada35%JapanJapan20%RussiaRussia9%Created by: globalquiz.org. Statistics based on 5519 answers in 2 languages »nuclear power riddles » Which adjective describes the bark beetle?Xylophagous. Xylophagy is a term used in ecology to describe the habits of an animal whose diet consists of wood. The word derives from Greek xylon "wood" (similarly to xylophone)very hard 35% xylophagousxylophagous35%saprophagoussaprophagous32%geophagousgeophagous14%oligophagousoligophagous17%Created by: globalquiz.org. Statistics based on 7652 answers in 2 languages »insects riddles » In order to protect seeds of the edible plants, the Global Seed Vault has been built. Where is it located?Spitsbergen permafrost. The Svalbrad Global Seed Vault (norw. Svalbrad globale frøhvelv) is located Svalbrad archipelago, at the Sptisbergen Island in Norway. It has been built to safely store seeds of edible plants from all over the world in case of any cataclism. Vault located is in the tunnel digged in the permafrost. Currently over 1.5 mln specimens are storedaverage 63% Spitsbergen permafrostSpitsbergen permafrost63%Headquarters of United Nations in New YorkHeadquarters of United Nations in New York12%Headquarters of FAO in RomeHeadquarters of FAO in Rome11%Such place does not existSuch place does not exist13%Created by: lanusienka. Statistics based on 4537 answers in 2 languages »science riddles » Since 1998, Harvard University wraps marble statues on its campus with waterproof covers every winter. Why?To protect from acid rains. The eastern third of the United States is significantly impacted by acid rain. Acids in the rain react with the calcium compounds in the stones like limestone or marble to create gypsum, which then flakes off.average 68% to protect from frostto protect from frost18%to protect from birdsto protect from birds7%to protect from acid rainsto protect from acid rains68%to protect from graffiti makersto protect from graffiti makers5%Created by: globalquiz.org. Statistics based on 26354 answers in 4 languages »monuments riddles » Why is the ozone hole dangerous?It increases UV radiation. In the ozone layer, ozone molecules absorb UV-B and UV-C radiation - short wavelength forms of ultraviolet that can disrupt organic molecules, producing cancerous changes in living cells.easy 70% it speeds up the global warmingit speeds up the global warming21%it increases UV radiationit increases UV radiation70%it depletes the oxygen (O2)it depletes the oxygen (O2)4%it disturbs Earth's magnetic fieldit disturbs Earth's magnetic field3%Created by: Riho Ishii. Statistics based on 10505 answers in 4 languages »Earth riddles » Which old household appliances are the most dangerous for the environment?Refrigerators. During the early 1970s, two American chemists - M. Molina and S. Rowland - identified the theoretical threat of ozone depletion by the release of chlorofluorocarbons (used as a refrigerators coolant). Initially, the reaction was skeptical, but when in 1983 scientists discovered ozone hole, the abstract threat suddenly became real.easy 77% vacuum cleanersvacuum cleaners2%refrigeratorsrefrigerators77%washing machineswashing machines6%radiosradios13%Created by: globalquiz.org. Statistics based on 15050 answers in 2 languages »chemistry riddles » Which acid mostly contributes to acid rains?Sulfuric acid. The most important gas which leads to acidification is sulfur dioxide, coming from fossil fuel combustion and industry (and, in lesser amounts, from volcanoes and wildfires). In recent years, emissions of nitrogen oxides which are oxidized to form nitric acid are of increasing importance due to stricter controls on emissions of sulfur containing compounds. easy 77% hydrochloric acidhydrochloric acid5%sulfuric acidsulfuric acid77%nitric acidnitric acid14%citric acidcitric acid1%Created by: Cleo. Statistics based on 12281 answers in 4 languages »acids riddles » Play nature quiz and see all the questions.