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Author Question: What created Earth's moon? a. The initial big bang expansion event b. The formation of a new star ... (Read 54 times)

Yolanda

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on: Aug 22, 2018

What created Earth's moon?
  a. The initial big bang expansion event
  b. The formation of a new star
  c. Ejection of rocky mantle material from Earth after a collision with a smaller planet
  d. The collision of two older moons
  e. Ejection of rocky mantle material following an explosive volcanic event on Earth



Question 2

How long ago did the big bang catalyze the beginning of the universe?
  a. 13.7 billion years ago
  b. 1.37 billion years ago
  c. 4 billion years ago
  d. 40 million years ago
  e. 5 million years ago
 
 



qytan

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Reply #1 on: Aug 22, 2018
Answer to Question 1

c

Answer to Question 2

ANSWER: a


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