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Author Question: The total number of protons and neutrons in the nucleus of an tom is referred to as its A) atomic ... (Read 72 times)

ss2343

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The total number of protons and neutrons in the nucleus of an tom is referred to as its
 
  A) atomic mass number
  B) average atomic mass
  C) proton number
  D) atomic number

Question 2

Current geological evidence suggests that life
 
  A) took billions of years to appear
  B) appeared as soon as the Earth formed
  C) appeared quite early in Earth's history
  D) appeared relatively recently in Earth's history



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ndhahbi

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Answer to Question 1

A

Answer to Question 2

C




ss2343

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Reply 2 on: Jul 27, 2018
Gracias!


Jossy

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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