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Title: How does the rate of extinction today compare to the rates in the past? Post by: chezmoi on Apr 13, 2017 How does the rate of extinction today compare to the rates in the past?
A) The rate is much lower today than it has been, on average, in the past. B) The rate is about the same today as it has been, on average, in the past. C) The rate is much higher today than it has been, on average, in the past. D) The extinction rate today can't be estimated or calculated. Title: Re: How does the rate of extinction today compare to the rates in the past? Post by: Aboona on Apr 13, 2017 Content hidden
Title: Re: How does the rate of extinction today compare to the rates in the past? Post by: chezmoi on Jun 13, 2017 Awesome! This is such a great community
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