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Home Q & A Board Science-Related Homework Help Psychology
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KENHUYNH96 KENHUYNH96
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6 years ago
The first animals with simple nerve nets probably evolved about _________ years ago.
 
  a. 4.5 billion
 b. 3.5 billion
 c. 700 million
  d. 250 million
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mschindler44mschindler44
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6 years ago
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KENHUYNH96 Author
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6 years ago
Helped a lot
deathwing
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Yesterday
This helped my grade so much Perfect
elizabetheldrid
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2 hours ago
Thanks for your help!!
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