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Only the fraction of the mass and energy labeled "atoms" is composed of elements. Only about 4% of the total mass of the universe is made of atoms or ions, and thus represented by elements. This fraction is about 15% of the total matter, with the remainder of the matter (85%) being dark matter. The nature of dark matter is unknown, but it is ...
From 1787 to 1868, enslaved African Americans were counted in the U.S. census under the Three-fifths Compromise.The compromise was an agreement reached during the 1787 United States Constitutional Convention over the counting of slaves in determining a state's total population.
The axes run from 0 to 1, so A and B form a triangle of area and = =. The Gini coefficient is an index for the degree of inequality in the distribution of income/wealth, used to estimate how far a country's wealth or income distribution deviates from an equal distribution.
Midland is a city in and the county seat of Midland County, Michigan, in the United States. [5] The city's population was 42,547 as of the 2020 census. [2] It is the principal city of the Midland Metropolitan Statistical Area, part of the larger Saginaw-Midland-Bay City Combined Statistical Area.
Many scholars have studied educational attainment in the US as a form of social reproduction and stratification. In 1977, Pierre Bourdieu presented the idea that education leads to social reproduction and a stratified society by honoring the cultural capital of elite classes.
The electricity sector in Australia has been historically dominated by coal-fired power stations, but renewables are forming a rapidly growing fraction of supply. In 2021, Australia's electricity production reached 265 TWh, with coal accounting for 52.9% and natural gas for 18.8%. Renewable sources, comprising solar, wind, hydro, and bioenergy ...
Deicing a Boeing 737 with Type I fluid A layer of Type IV anti-icing fluid. Deicing fluids come in a variety of types, and are typically composed of ethylene glycol (EG) or propylene glycol (PG), along with other ingredients such as thickening agents, surfactants (wetting agents), corrosion inhibitors, colors, and UV-sensitive dye.
Prague 4, formally the Prague 4 Municipal District (Městská čast Praha 4), is a second-tier municipality in Prague.The administrative district (správní obvod) of the same name consists of municipal districts Prague 4 and Kunratice.