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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 83 times)

natalie2426

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on: Jul 27, 2018
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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Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

D


natalie2426

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Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

daiying98

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Reply 3 on: Yesterday
Excellent

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