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Author Question: From meteorite and lunar rock samples, astronomers have determined the age of the Solar System to be ... (Read 70 times)

penza

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on: Jul 27, 2018
From meteorite and lunar rock samples, astronomers have determined the age of the Solar System to be ____.
 
  a. 4.6 million years
  b. 10 million years
  c. 2.4 billion years
  d. 4.6 billion years
  e. 8.4 billion years

Question 2

On the H-R diagram, lines of constant radius are illustrated as _____.
 
  a. sloping downward from right to left
 b. sloping downward from left to right
 c. running vertically on the right side
 d. running horizontally on the top
 e. moving in various direction depending on the type of star


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Tabitha_2016

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

d

Answer to Question 2

b


penza

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Reply 2 on: Jul 27, 2018
Excellent

yeungji

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Reply 3 on: Yesterday
Gracias!

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