Isi
Isi rigizwe ahanini n urusobe rw imyuka yiganjemo amazi (H2O) agera kuri 84,4% ryatangiye kuzenguruka ibango ryitwa izuba maze iyo si igenda itakaza imyuka n amazi bijya hagati yayo n izuba, bityo ikirere (hagati y isi n izuba) cyuzuye iyo myuka kiba kirabonetse.
.jpg)
.svg)
Uko isi yagiye yegerana kuruhu rwayo hagiye hakonja naho mu nda harushaho gushyuha bituma ibiyigize bishonga (en fusion) maze byipanga hakurikije uburemere (densité) ibiremereye cyane bijya hasi ibyoroshye bijya ku ruhu.
Kubera ubushyuhe, imyuka ntiyihanganiye kuguma imbere y urwo ruhu, ahubwo yaturikije uruhu rw isi yigira hanze mu kirere (Atmosphère). Nyuma y imyaka 150 000 000, iyo myuka yabyaye igihu cyagiye gikonja kibyara imvura yaguye imyaka ibihumbi, amazi yuzura mu binogo byasizwe na wa mwuka wapfumuye uruhu rw isi, bityo havuka inyanja n ibiyaga ari nabyo byabaye isoko y ubuzima.
Notes
This article uses material from the Wikipedia Ikinyarwanda article Isi, which is released under the Creative Commons Attribution-ShareAlike 3.0 license ("CC BY-SA 3.0"); additional terms may apply (view authors). Ibirimo birahari kuri CC BY-SA 4.0 keretse bivuzwe ukundi. Images, videos and audio are available under their respective licenses.
®Wikipedia is a registered trademark of the Wiki Foundation, Inc. Wiki Ikinyarwanda (DUHOCTRUNGQUOC.VN) is an independent company and has no affiliation with Wiki Foundation.