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Author Question: The Ptolemaic model of the solar system was useless for predicting planetary positions. Indicate ... (Read 70 times)

FButt

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on: Jul 27, 2018
The Ptolemaic model of the solar system was useless for predicting planetary positions.
 
  Indicate whether the statement is true or false

Question 2

What was the Cambrian explosion?
 
  A) the impact of the meteor that led to mass extinction of the dinosaurs
  B) the initial spark of lightning that created the first life-form from amino acids
  C) the eruption of the volcano known as Cambria on the ancient supercontinent of Pangaea
  D) a dramatic diversification of life that began about 540 million years ago
  E) the largest mass extinction in Earth's history


sultansheikh

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

FALSE

Answer to Question 2

D


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