Multiple Choice
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
Correct Answer:
Verified
Correct Answer:
Verified
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