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Author Question: In which eon of Earth's history did dinosaurs and mammals first appear? A) Hadean B) Archean ... (Read 31 times)

eruditmonkey@yahoo.com

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In which eon of Earth's history did dinosaurs and mammals first appear?
 
  A) Hadean
  B) Archean
  C) Phanerozoic
  D) Proterozoic

Question 2

The magnetic field near a strong permanent bar magnet might be 500
 
  A) microGauss.
  B) Tesla.
  C) Gauss.
  D) milliGauss.
  E) MT.



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blfontai

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Answer to Question 1

C

Answer to Question 2

C




eruditmonkey@yahoo.com

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Reply 2 on: Jul 27, 2018
Wow, this really help


tandmlomax84

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Reply 3 on: Yesterday
:D TYSM

 

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