hydrosphere
91GÉODYNAMIQUE — Le mot «géodynamique» est apparu à l’aube du XXe siècle (É. Hang, 1908? A.E.H. Love, 1911?) sans que sa naissance ait été accompagnée d’une définition qui en précise clairement les limites. Par rapport à l’expression antérieure «géologie… …
92Lithosphere — Lith o*sphere, n. [Litho + sphere.] (Phys. Geog.) (a) The solid earth as distinguished from its fluid envelopes, the hydrosphere and atmosphere. (b) The outer part of the solid earth, the portion undergoing change through the gradual transfer of… …
93Topic outline of geography — Geography is the study of the earth and its features, inhabitants, and phenomena. [cite web |title=Geography |work=The American Heritage Dictionary/ of the English Language, Fourth Edition |publisher=Houghton Mifflin Company… …
94Nature — This article is about the physical universe. For other uses, see Nature (disambiguation). Natural and Natural World redirect here. For other uses, see Natural (disambiguation). See also: Natural environment Hopetoun Falls, Australia …
95Water — This article is about general aspects of water. For a detailed discussion of its properties, see Properties of water. For other uses, see Water (disambiguation) …
96Geochemistry — The field of geochemistry involves study of the chemical composition of the Earth and other planets, chemical processes and reactions that govern the composition of rocks and soils, and the cycles of matter and energy that transport the Earth s… …
97Carbon cycle — The carbon cycle is the biogeochemical cycle by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of the Earth.The cycle is usually thought of as four major reservoirs of carbon interconnected by… …
98Climate change — For current and future climatological effects of human influences, see global warming. For the study of past climate change, see paleoclimatology. For temperatures on the longest time scales, see geologic temperature record …
99Cryosphere — Overview of the Cryosphere and its larger components, from the UN Environment Programme Global Outlook for Ice and Snow. The cryosphere (from the Greek κρύος cryos cold , frost or ice ) is the term which collectively describes the portions of the …
100Polychlorinated biphenyl — PCBs redirects here. For printed circuit boards, see printed circuit board. Labelling transformers containing PCBs …
