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Author Question: Which of the following is believed to have caused the extinction of the dinosaurs on Earth? a. An ... (Read 91 times)

Caiter2013

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on: Jul 28, 2018
Which of the following is believed to have caused the extinction of the dinosaurs on Earth?
 a. An asteroid
  b. A meteoroid
  c. A comet
  d. Interplanetary dust

Question 2

An object that is negatively charged will
 a. attract a rubber rod stroked with fur.
  b. attract a glass rod stroked with silk.
  c. be polarized.
  d. none of these


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succesfull

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Reply #1 on: Jul 28, 2018
Answer to Question 1

a

Answer to Question 2

b


Caiter2013

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Reply 2 on: Jul 28, 2018
:D TYSM

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Reply 3 on: Yesterday
Excellent

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