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Pedosphere – The outermost layer of the Earth that is composed of soil and subject to soil formation processes. Outer layers. By composition. Crust (geology) – The outermost solid shell of a rocky planet, dwarf planet, or natural satellite. Moho Discontinuity – The line between the crust and the Earth's mantle.
The Encyclopedia of Earth (abbreviated EoE) is an electronic reference about the Earth, its natural environments, and their interaction with society.The Encyclopedia is described as a free, fully searchable collection of articles written by scholars, professionals, educators, and other approved [who?] experts, who collaborate and review each other's work.
A scientific theory is an explanation of an aspect of the natural world and universe that can be (or a fortiori, that has been) repeatedly tested and corroborated in accordance with the scientific method, using accepted protocols of observation, measurement, and evaluation of results. Where possible, theories are tested under controlled ...
Science portal. Earth science (also known as geoscience, the geosciences, or the Earth sciences) includes all the sciences related to the planet Earth. It is arguably a special case in planetary science, Earth being the only known life -bearing planet known to Homo sapiens. There are both reductionist and holistic approaches to Earth science.
This is an accepted version of this page This is the latest accepted revision, reviewed on 15 September 2024. Educational publisher "McGraw Hill" redirects here. For the business and financial information company previously known as McGraw Hill Financial, see S&P Global. McGraw Hill The branded McGraw Hill logo as of 2020 Founded 1888 ; 136 years ago (1888) Founder James H. McGraw John A. Hill ...
Geophysics – the physics of the Earth and its environment in space; also the study of the Earth using quantitative physical methods. The term geophysics sometimes refers only to the geological applications: Earth's shape; its gravitational and magnetic fields; its internal structure and composition; its dynamics and their surface expression ...