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Middle gray. 50% CIELAB lightness. ( Y = 18.4%) In photography, painting, and other visual arts, middle gray or middle grey is a tone that is perceptually about halfway between black and white on a lightness scale; [1] in photography and printing, it is typically defined as 18% reflectance in visible light. [2] [3]
The legal code was written in Sardinian and established a whole range of citizens' rights. Among the revolutionary concepts in this Carta de Logu was the right of women to refuse marriage and to own property. In terms of civil liberties, the code made provincial 14th century Sardinia one of the most developed societies in all of Europe.
100% renewable energy is an energy system where all energy use is sourced from renewable energy sources. The endeavor to use 100% renewable energy for electricity, heating/cooling and transport is motivated by global warming, pollution and other environmental issues, as well as economic and energy security concerns.
Deforestation in Colombia's Amazon region is forecast to have declined by 25% to 35% in 2023, Environment Minister Susana Muhamad said on Monday, while warning that evidence shows that destruction ...