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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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naturelle naturelle
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7 years ago
Humans have identified __________ species; while the working estimate is __________ estimated species on Earth. 
A)  1,750,000; 13,600,000 
B)  950,000; 13,600,000 
C)  270,000; 320,000 
D)  950,000; 8,000,000 
E)  1,750,000; 100,000,000
Textbook 
Geosystems: An Introduction to Physical Geography

Geosystems: An Introduction to Physical Geography


Edition: 7th
Author:
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twentytootwentytoo
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naturelle Author
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7 years ago
Just got feedback from my professor, thanks for answering correctly
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