Diffuses towards the earth from space water emerged

Reference no: EM133551895

Question: In Ellie's summary video, she suggested that free water may have been a limiting commodity on the Earth during the Hadean period (the early stages of earth's formation). If so, which of the following best explains where the present amount of water on the Earth has come from? Water came from an external source, e.g. from comets and asteroids Water continuously diffuses towards the Earth from space Water emerged from deep rocks where it had been immobilised, once the Earth had cooled Water is continuously formed from existing chemicals (oxygen and hydrogen)

Reference no: EM133551895

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