What percentage of all living things that have ever existed on
earth are now extinct?
a...
![Biology](/tpl/images/cats/biologiya.png)
Biology, 30.11.2019 11:31, lakenyahar
What percentage of all living things that have ever existed on
earth are now extinct?
a. 50 percent
b. 70 percent
c. 85 percent
d. 99 percent
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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