Natural resources questions This is a list of recently added questions about natural resources. Where are emeralds found the most?In Colombia. Colombia is by far the world's largest producer of emeralds, constituting 50–95% of the world production. The Colombian emeralds are also the purest. The emerald trade is at the center of funding of ongoing civil conflict in Colombia, second to drug trade.Created by: globalquiz.orghard 42% in South Africain South Africa4528in Colombiain Colombia5168in Siberiain Siberia1255in Argentinain Argentina1242gemstones riddles » What kind of crude oil is better? (more expensive)Sweet crude oil contains small amounts of hydrogen sulfide (in contrast to sour crude oil). Low-sulfur crude oil is in high demand as it is used to produce high-quality gasoline without the need for expensive processes of removing sulfur impurities. The term "sweet" originates from the fact that a low level of sulfur provides the oil with a mildly sweet taste and pleasant smell. Nineteenth century prospectors would taste and smell small quantities of oil to determine its quality.Created by: globalquiz.orghard 44% sweet crude oilsweet crude oil5412sour crude oilsour crude oil2176salty crude oilsalty crude oil1479bitter crude oilbitter crude oil3055Saudi Arabia riddles » Why is White Sands Desert in New Mexico so purely white?It is gypsum. White Sands, having 442 total square kilometers of dune fields, is the world's largest surface deposit of gypsum. Unlike other desert sands, it is cool to the touch, due to the high rate of evaporation of surface moisture and the fact that the sands reflect, rather than absorb, the sun's rays.Created by: Debbie Foxvery hard 30% it is gypsumit is gypsum4161it is very fine grained sandit is very fine grained sand1426it iswhite quartzit iswhite quartz4983it is an optical illusionit is an optical illusion3121geography of the United States riddles » Which country is the top natural gas producer in the European Union?The Netherlands. 50% of the natural gas production in the Netherlands comes from the Groningen Gas Field, being the largest natural gas field in Europe and the tenth largest in the world. The other 50% being supplied by around 300 smaller fields, mostly in the North Sea.Created by: Kasiahard 42% United KingdomUnited Kingdom2839The NetherlandsThe Netherlands4734ItalyItaly1143FranceFrance2496UE riddles » Which type of a coal is the youngest?Lignite (brown coal). Coal forms when the dead plant matter is converted into peat, which in turn is converted into lignite, then sub-bituminous coal, then bituminous coal, and lastly anthracite.Created by: Kasiahard 57% lignite (brown coal)lignite (brown coal)5963graphitegraphite1531bituminous coalbituminous coal1244anthraciteanthracite1646minerals riddles » Which country is the global leader in aluminium production?China. People's Republic of China is the top producer of aluminium with almost a one-fifth world share. It heavily outranks other countries, producing five times as much as the second place holder - Russia.Created by: Kasiahard 52% ChinaChina11188CanadaCanada3665United StatesUnited States2566RussiaRussia3960country records riddles » Which country is the global leader in copper production?Chile outranks all other producers of copper, having at least one-third world share. The copper industry is located in the Atacama Desert in northern part of the country.Created by: Kasiahard 55% United StatesUnited States1914RussiaRussia3352ChileChile11964PolandPoland4363industry riddles » Play technology quiz and see all the questions.