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Solar array mounted on a rooftop Greencap Energy solar array mounted on brewery in Worthing, England. A solar panel is a device that converts sunlight into electricity by using photovoltaic (PV) cells. PV cells are made of materials that produce excited electrons when exposed to light.
The geologic time scale, proportionally represented as a log-spiral with some major events in Earth's history. A megaannus (Ma) represents one million (10 6) years.. The geologic time scale or geological time scale (GTS) is a representation of time based on the rock record of Earth.
In 2009 the lowest median percentage of smokers was university students (~13.5%) while the highest was elderly people (~25%). The study also found the median percentage of male smokers to be much higher than that of females (~26.5% for males, ~9% for females). Before 2010, Saudi Arabia had no policies banning or restricting smoking.
The U.S. accounted for 26% of the global economy in 2023 in nominal terms, and about 15.5% in PPP terms. [ 9 ] [ 46 ] The U.S. dollar is the currency of record most used in international transactions and is the world's reserve currency , backed by a large U.S. treasuries market , its role as the reference standard for the petrodollar system ...
Paris (French pronunciation: ⓘ) is the capital and largest city of France.With an estimated population of 2,048,472 residents in January 2025 [3] in an area of more than 105 km 2 (41 sq mi), [4] Paris is the fourth-most populous city in the European Union, the ninth-most populous city in Europe and the 30th most densely populated city in the world in 2022. [5]
Twelve percent reported earning $201 to $500 a month; and almost 4 percent said their monthly earnings topped $500, including 1.5 percent who said they earned more than $1,000." [296] In May 2019, Cuba imposed rationing of staples such as chicken, eggs, rice, beans, soap and other basic goods. (Some two-thirds of food in the country is imported.)
The highest and lowest recorded temperatures in Alaska are both in the Interior. The highest is 100 °F (38 °C) in Fort Yukon (which is just 8 mi or 13 km inside the arctic circle) on June 27, 1915, [66] [67] making Alaska tied with Hawaii as the state with the lowest high temperature in the United States.
Life expectancy for both sexes is among the lowest of all states. [167] Life expectancies in 2014 for both sexes in West Virginia counties ranged from a low of 70.3 years in McDowell County to a high of 79.3 years in Pendleton County. McDowell and several other West Virginia counties are among the counties in the U.S. with the lowest life ...