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Author Question: How deep is an impact crater compared to its width? A) 1-10 B) 50-100 C) 30-40 D) 10-20 E) ... (Read 93 times)

naturalchemist

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on: Jul 27, 2018
How deep is an impact crater compared to its width?
 
  A) 1-10 B) 50-100 C) 30-40 D) 10-20 E) 100-200

Question 2

The speed of light is about 300,000 km/s (3  105 km/s). How far does light travel in 30 seconds?
 
  A) 300 thousand km (300,000, or 3  105 km) B) 9 million km (9,000,000, or 9  106 km)
  C) 10 thousand km (10,000, or 106 km) D) 900 thousand km (900,000, or 9  105 km)


wtf444

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

D

Answer to Question 2

B


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