{"id":1109,"date":"2015-07-10T22:39:11","date_gmt":"2015-07-10T22:39:11","guid":{"rendered":"https:\/\/courses.candelalearning.com\/earthscienceck12\/?post_type=chapter&#038;p=1109"},"modified":"2015-07-10T22:48:27","modified_gmt":"2015-07-10T22:48:27","slug":"o","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/earthscienceck12\/chapter\/o\/","title":{"raw":"O","rendered":"O"},"content":{"raw":"<body>\n    <dl id=\"x-ck12-ODQyNDJkNmRjNWZkNDc2ODk0MTA3MWFkNGE4Yzc2ZTI.-ava\">\n<dt>\n        occluded front\n      <\/dt>\n      <dd>\n        A front in which a cold front overtakes a warm front.\n      <\/dd>\n      <dt>\n        ocean basin\n      <\/dt>\n      <dd>\n        Areas covered by ocean water. The three major ocean basins are the Pacific, Atlantic, and Indian.\n      <\/dd>\n      <dt>\n        ocean trench\n      <\/dt>\n      <dd>\n        The deepest parts of the ocean basins.\n      <\/dd>\n      <dt>\n        oceanic crust\n      <\/dt>\n      <dd>\n        The crust that underlies the oceans; thinner and denser than continental crust.\n      <\/dd>\n      <dt>\n        oceanic zone\n      <\/dt>\n      <dd>\n        The open ocean, where sunlight does not reach the seabed.\n      <\/dd>\n      <dt>\n        oil\n      <\/dt>\n      <dd>\n        A liquid fossil fuel from ancient dead organisms used for transportation and other products.\n      <\/dd>\n      <dt>\n        omnivore\n      <\/dt>\n      <dd>\n        An organism that consumes both producers and other consumers for food.\n      <\/dd>\n      <dt>\n        open cluster\n      <\/dt>\n      <dd>\n        Groups of up to a few thousand stars loosely held together by gravity.\n      <\/dd>\n      <dt>\n        orbit\n      <\/dt>\n      <dd>\n        To travel in a circular or elliptical path around another object.\n      <\/dd>\n      <dt>\n        orbiter\n      <\/dt>\n      <dd>\n        The main part of the space shuttle that has wings like an airplane.\n      <\/dd>\n      <dt>\n        ore\n      <\/dt>\n      <dd>\n        A type of rock that contains useful minerals.\n      <\/dd>\n      <dt>\n        ore deposit\n      <\/dt>\n      <dd>\n        A mineral deposit that contains enough minerals to be mined for profit.\n      <\/dd>\n      <dt>\n        organic\n      <\/dt>\n      <dd>\n        Something from living organisms.\n      <\/dd>\n      <dt>\n        original horizontality\n      <\/dt>\n      <dd>\n        Sedimentary layers that were deposited horizontally.\n      <\/dd>\n      <dt>\n        orogeny\n      <\/dt>\n      <dd>\n        A mountain building event, usually taking place over tens or hundreds of millions of years.\n      <\/dd>\n      <dt>\n        outcrop\n      <\/dt>\n      <dd>\n        Exposed rock formations that are attached to the ground.\n      <\/dd>\n      <dt>\n        outer planets\n      <\/dt>\n      <dd>\n        The four large planets beyond the asteroid belt in our solar system.\n      <\/dd>\n      <dt>\n        outgassing\n      <\/dt>\n      <dd>\n        The transfer of gases from Earth\u2019s mantle to the atmosphere by volcanic eruptions.\n      <\/dd>\n      <dt>\n        over-consumption\n      <\/dt>\n      <dd>\n        Resource use that is unsustainable in the long term; obtaining many more products than people need.\n      <\/dd>\n      <dt>\n        overpopulation\n      <\/dt>\n      <dd>\n        When the population of an area exceeds its carrying capacity or when long-term harm is done to resource availability or the environment.\n      <\/dd>\n      <dt>\n        oxidation\n      <\/dt>\n      <dd>\n        Oxygen reacts with another element to create a metal oxide.\n      <\/dd>\n      <dt>\n        ozone\n      <\/dt>\n      <dd>\n        Three oxygen atoms bonded together in an O<sub>3<\/sub> molecule. Ozone in the lower atmosphere is a pollutant but in the upper atmosphere protects life from ultraviolet radiation.\n      <\/dd>\n      <dt>\n        ozone hole\n      <\/dt>\n      <dd>\n        A region around Antarctica in which ozone levels are reduced in springtime because of the action of ozone-destroying chemicals.\n      <\/dd>\n      <dt>\n        ozone layer\n      <\/dt>\n      <dd>\n        A layer of the stratosphere where ozone gas is more highly concentrated.\n      <\/dd>\n    <\/dl>\n<\/body>","rendered":"<dl id=\"x-ck12-ODQyNDJkNmRjNWZkNDc2ODk0MTA3MWFkNGE4Yzc2ZTI.-ava\">\n<dt>\n        occluded front\n      <\/dt>\n<dd>\n        A front in which a cold front overtakes a warm front.\n      <\/dd>\n<dt>\n        ocean basin\n      <\/dt>\n<dd>\n        Areas covered by ocean water. The three major ocean basins are the Pacific, Atlantic, and Indian.\n      <\/dd>\n<dt>\n        ocean trench\n      <\/dt>\n<dd>\n        The deepest parts of the ocean basins.\n      <\/dd>\n<dt>\n        oceanic crust\n      <\/dt>\n<dd>\n        The crust that underlies the oceans; thinner and denser than continental crust.\n      <\/dd>\n<dt>\n        oceanic zone\n      <\/dt>\n<dd>\n        The open ocean, where sunlight does not reach the seabed.\n      <\/dd>\n<dt>\n        oil\n      <\/dt>\n<dd>\n        A liquid fossil fuel from ancient dead organisms used for transportation and other products.\n      <\/dd>\n<dt>\n        omnivore\n      <\/dt>\n<dd>\n        An organism that consumes both producers and other consumers for food.\n      <\/dd>\n<dt>\n        open cluster\n      <\/dt>\n<dd>\n        Groups of up to a few thousand stars loosely held together by gravity.\n      <\/dd>\n<dt>\n        orbit\n      <\/dt>\n<dd>\n        To travel in a circular or elliptical path around another object.\n      <\/dd>\n<dt>\n        orbiter\n      <\/dt>\n<dd>\n        The main part of the space shuttle that has wings like an airplane.\n      <\/dd>\n<dt>\n        ore\n      <\/dt>\n<dd>\n        A type of rock that contains useful minerals.\n      <\/dd>\n<dt>\n        ore deposit\n      <\/dt>\n<dd>\n        A mineral deposit that contains enough minerals to be mined for profit.\n      <\/dd>\n<dt>\n        organic\n      <\/dt>\n<dd>\n        Something from living organisms.\n      <\/dd>\n<dt>\n        original horizontality\n      <\/dt>\n<dd>\n        Sedimentary layers that were deposited horizontally.\n      <\/dd>\n<dt>\n        orogeny\n      <\/dt>\n<dd>\n        A mountain building event, usually taking place over tens or hundreds of millions of years.\n      <\/dd>\n<dt>\n        outcrop\n      <\/dt>\n<dd>\n        Exposed rock formations that are attached to the ground.\n      <\/dd>\n<dt>\n        outer planets\n      <\/dt>\n<dd>\n        The four large planets beyond the asteroid belt in our solar system.\n      <\/dd>\n<dt>\n        outgassing\n      <\/dt>\n<dd>\n        The transfer of gases from Earth\u2019s mantle to the atmosphere by volcanic eruptions.\n      <\/dd>\n<dt>\n        over-consumption\n      <\/dt>\n<dd>\n        Resource use that is unsustainable in the long term; obtaining many more products than people need.\n      <\/dd>\n<dt>\n        overpopulation\n      <\/dt>\n<dd>\n        When the population of an area exceeds its carrying capacity or when long-term harm is done to resource availability or the environment.\n      <\/dd>\n<dt>\n        oxidation\n      <\/dt>\n<dd>\n        Oxygen reacts with another element to create a metal oxide.\n      <\/dd>\n<dt>\n        ozone\n      <\/dt>\n<dd>\n        Three oxygen atoms bonded together in an O<sub>3<\/sub> molecule. Ozone in the lower atmosphere is a pollutant but in the upper atmosphere protects life from ultraviolet radiation.\n      <\/dd>\n<dt>\n        ozone hole\n      <\/dt>\n<dd>\n        A region around Antarctica in which ozone levels are reduced in springtime because of the action of ozone-destroying chemicals.\n      <\/dd>\n<dt>\n        ozone layer\n      <\/dt>\n<dd>\n        A layer of the stratosphere where ozone gas is more highly concentrated.\n      <\/dd>\n<\/dl>\n\n\t\t\t <section class=\"citations-section\" role=\"contentinfo\">\n\t\t\t <h3>Candela Citations<\/h3>\n\t\t\t\t\t <div>\n\t\t\t\t\t\t <div id=\"citation-list-1109\">\n\t\t\t\t\t\t\t <div class=\"licensing\"><div class=\"license-attribution-dropdown-subheading\">CC licensed content, Shared previously<\/div><ul class=\"citation-list\"><li>Earth Science for High School. <strong>Provided by<\/strong>: CK-12. <strong>Located at<\/strong>: <a target=\"_blank\" href=\"http:\/\/www.ck12.org\/book\/CK-12-Earth-Science-For-High-School\/\">http:\/\/www.ck12.org\/book\/CK-12-Earth-Science-For-High-School\/<\/a>. <strong>License<\/strong>: <em><a target=\"_blank\" rel=\"license\" href=\"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/\">CC BY-NC: Attribution-NonCommercial<\/a><\/em><\/li><\/ul><\/div>\n\t\t\t\t\t\t <\/div>\n\t\t\t\t\t <\/div>\n\t\t\t <\/section>","protected":false},"author":277,"menu_order":133,"template":"","meta":{"_candela_citation":"[{\"type\":\"cc\",\"description\":\"Earth Science for High School\",\"author\":\"\",\"organization\":\"CK-12\",\"url\":\"http:\/\/www.ck12.org\/book\/CK-12-Earth-Science-For-High-School\/\",\"project\":\"\",\"license\":\"cc-by-nc\",\"license_terms\":\"\"}]","CANDELA_OUTCOMES_GUID":"","pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-1109","chapter","type-chapter","status-publish","hentry"],"part":1266,"_links":{"self":[{"href":"https:\/\/courses.lumenlearning.com\/earthscienceck12\/wp-json\/pressbooks\/v2\/chapters\/1109","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/courses.lumenlearning.com\/earthscienceck12\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/courses.lumenlearning.com\/earthscienceck12\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/earthscienceck12\/wp-json\/wp\/v2\/users\/277"}],"version-history":[{"count":1,"href":"https:\/\/courses.lumenlearning.com\/earthscienceck12\/wp-json\/pressbooks\/v2\/chapters\/1109\/revisions"}],"predecessor-version":[{"id":1254,"href":"https:\/\/courses.lumenlearning.com\/earthscienceck12\/wp-json\/pressbooks\/v2\/chapters\/1109\/revisions\/1254"}],"part":[{"href":"https:\/\/courses.lumenlearning.com\/earthscienceck12\/wp-json\/pressbooks\/v2\/parts\/1266"}],"metadata":[{"href":"https:\/\/courses.lumenlearning.com\/earthscienceck12\/wp-json\/pressbooks\/v2\/chapters\/1109\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/courses.lumenlearning.com\/earthscienceck12\/wp-json\/wp\/v2\/media?parent=1109"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/earthscienceck12\/wp-json\/pressbooks\/v2\/chapter-type?post=1109"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/earthscienceck12\/wp-json\/wp\/v2\/contributor?post=1109"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/earthscienceck12\/wp-json\/wp\/v2\/license?post=1109"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}