365bet中国官方网站

  • word of the day

    hadean eon

    hadean eon - 365bet中国官方网站 definition and meaning for word hadean eon

    Definition
    (noun) the earliest eon in the history of the Earth from the first accretion of planetary material (around 4,600 million years ago) until the date of the oldest known rocks (about 3,800 million years ago); no evidence of life

  • Word used in video below:
    text: Mary do it's such Eon since we've had
    Download our Mobile App Today