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Author Question: If an object is accelerating, it must therefore undergo A) a change in velocity. B) a change in ... (Read 40 times)

natalie2426

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If an object is accelerating, it must therefore undergo
 
  A) a change in velocity.
  B) a change in direction.
  C) a change in speed.

Question 2

Aerobic organisms first started building up oxygen in the Earth's atmosphere around
 
  A) 4.6 billion years ago
  B) 3.5 billion years ago
  C) 4.0 billion years ago
  D) 2.5 billion years ago



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phuda

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Answer to Question 1

A

Answer to Question 2

D




natalie2426

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Reply 2 on: Jul 27, 2018
:D TYSM


EAN94

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Reply 3 on: Yesterday
Gracias!

 

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