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Thread: Eager

  1. #1
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    Default Eager

    In this sentence:"Now humans are beginning to destroy marine ecosystems through other types of activities, such as disposal and runoff of poisonous waste; in less than two centuries, by significantly reducing the variety of species on Earth, they have unraveled cons of evolution and irrevocably redirected its course."
    I don't understand the sentence" they have unraveled cons of evolution and irrevocably redirected its course" Would you pls explain it for me?

  2. #2
    Mister Micawber's Avatar
    Mister Micawber is offline Key Member
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    Default Re: Eager

    .
    The word is eons. Humans have undone millions of years of natural evolution and changed its natural direction.

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