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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 53 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
Thanks for the timely response, appreciate it

jackie

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Reply 3 on: Yesterday
Wow, this really help

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