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An open textbook is a textbook licensed under an open license, and made available online to be freely used by students, teachers and members of the public.Many open textbooks are distributed in either print, e-book, or audio formats that may be downloaded or purchased at little or no cost.
Lectures on gas theory. (1896, 1898) Translated by Stephen G. Brush (1964) Berkeley: University of California Press; (1995) New York: Dover ISBN 0-486-68455-5; Gibbs, Josiah Willard (1902). Elementary Principles in Statistical Mechanics, developed with especial reference to the rational foundation of thermodynamics. New York: Charles Scribner's ...
Texas’ education board approved new science textbooks Friday but called on some publishers to remove material that some Republicans criticized as incorrect or negative portrayals of fossil fuels ...
The book sets forth the research on "feedback loops" that would contribute to accelerating climate change, including: melting ice at the poles that means less reflection of sunlight by white ice and more absorption of the sun's heat by ocean water and dark land; an increasing amount of water vapor in the atmosphere (water vapor is a greenhouse ...
Natural gas burning on a gas stove Burning of natural gas coming out of the ground. Natural gas (also called fossil gas, methane gas, or simply gas) is a naturally occurring mixture of gaseous hydrocarbons consisting primarily of methane (95%) [1] in addition to various smaller amounts of other higher alkanes.
Water resources are natural resources of water that are potentially useful for humans, for example as a source of drinking water supply or irrigation water. These resources can be either freshwater from natural sources, or water produced artificially from other sources, such as from reclaimed water or desalinated water (). 97% of the water on Earth is salt water and only three percent is fresh ...
He also recorded the differences in weight between freshwater and saline water, and between hot water and cold water. [ citation needed ] During his experiments on fluid mechanics, Biruni invented the conical measure , [ 6 ] in order to find the ratio between the weight of a substance in air and the weight of water displaced.
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