{"id":1131,"date":"2025-11-14T08:17:15","date_gmt":"2025-11-14T08:17:15","guid":{"rendered":"https:\/\/deliry.com\/svt\/?page_id=1131"},"modified":"2025-11-14T08:54:14","modified_gmt":"2025-11-14T08:54:14","slug":"ulysse-et-lea-tb","status":"publish","type":"page","link":"https:\/\/deliry.com\/svt\/ulysse-et-lea-tb\/","title":{"rendered":"Ulysse et L\u00e9a – TB"},"content":{"rendered":"\n

L’\u00e9volution de l’hydrosph\u00e9re<\/h2>\n\n\n\n

<\/p>\n\n\n\n

L\u2019hydrosph\u00e8re c’est l\u2019ensemble de l\u2019eau pr\u00e9sente sur Terre : oc\u00e9ans, lacs, rivi\u00e8res, eaux souterraines, glace, vapeur d\u2019eau atmosph\u00e9rique. <\/p>\n\n\n\n

l’eau est apparue il y a 4 Ma environ dans l’atmosph\u00e8re primitive car le manteau lib\u00e8re progressivement de la vapeur d\u2019eau. <\/p>\n\n\n\n

Ces oc\u00e9ans \u00e9taient chauds, acides, et riches en \u00e9l\u00e9ments dissous issus du volcanisme.<\/p>\n\n\n\n

Le d\u00e9but des oc\u00e9ans <\/h1>\n\n\n\n

Ces oc\u00e9ans \u00e9taient chauds, acides, et riches en \u00e9l\u00e9ments dissous issus du volcanisme.<\/p>\n\n\n\n

L\u2019eau liquide s\u2019accumule dans les d\u00e9pressions, c’est la naissance des oc\u00e9ans primitifs.<\/p>\n\n\n\n

Ces oc\u00e9ans \u00e9taient chauds, acides, et riches en \u00e9l\u00e9ments dissous issus du volcanisme.<\/p>\n\n\n\n

Les oc\u00e9ans sont apparus lorsque la Terre s\u2019est suffisamment refroidie pour permettre la condensation de la vapeur d\u2019eau issue du d\u00e9gazage volcanique, compl\u00e9t\u00e9e par l\u2019eau des m\u00e9t\u00e9orites. Cette eau liquide s\u2019est accumul\u00e9e dans les d\u00e9pressions pour former les premiers oc\u00e9ans, il y a environ 4 milliards d\u2019ann\u00e9es.<\/p>\n\n\n\n

L\u2019oxyg\u00e9nation de l\u2019hydrosph\u00e8re est le r\u00e9sultat de la photosynth\u00e8se des cyanobact\u00e9ries : l\u2019oxyg\u00e8ne commence \u00e0 s\u2019accumuler dans les oc\u00e9ans puis dans l\u2019atmosph\u00e8re, ce qui permet l\u2019\u00e9volution de la vie complexe.<\/p>\n\n\n\n

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<\/p>\n\n\n\n

source : https:\/\/www.lelivrescolaire.fr\/page\/16273434<\/a> <\/p>\n\n\n\n

licence copyright <\/p>\n","protected":false},"excerpt":{"rendered":"

L’\u00e9volution de l’hydrosph\u00e9re L\u2019hydrosph\u00e8re c’est l\u2019ensemble de l\u2019eau pr\u00e9sente sur Terre : oc\u00e9ans, lacs, rivi\u00e8res, eaux souterraines, glace, vapeur d\u2019eau atmosph\u00e9rique. l’eau est apparue il y a 4 Ma environ dans l’atmosph\u00e8re primitive car le manteau lib\u00e8re progressivement de la vapeur d\u2019eau. Ces oc\u00e9ans \u00e9taient chauds, acides, et riches en \u00e9l\u00e9ments dissous issus du volcanisme….<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"class_list":["post-1131","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/deliry.com\/svt\/wp-json\/wp\/v2\/pages\/1131","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/deliry.com\/svt\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/deliry.com\/svt\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/deliry.com\/svt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/deliry.com\/svt\/wp-json\/wp\/v2\/comments?post=1131"}],"version-history":[{"count":9,"href":"https:\/\/deliry.com\/svt\/wp-json\/wp\/v2\/pages\/1131\/revisions"}],"predecessor-version":[{"id":1217,"href":"https:\/\/deliry.com\/svt\/wp-json\/wp\/v2\/pages\/1131\/revisions\/1217"}],"wp:attachment":[{"href":"https:\/\/deliry.com\/svt\/wp-json\/wp\/v2\/media?parent=1131"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}