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Author Question: The correct sequence of spectral type letters from hot on the left to cool on the right is a. M, ... (Read 10 times)

natalie2426

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on: Jul 27, 2018
The correct sequence of spectral type letters from hot on the left to cool on the right is
 
  a. M, K, G, F, A, B, O b. O, B, A, F, G, K, M
  c. G, K, M, F, O, B, A d. A, B, O, F, G, K, M

Question 2

_______ penetrate(s) the Earth's atmosphere to reach its surface.
 
  a. X-rays
  b. Radio waves
  c. Visible light
  d. X-rays and radio waves
  e. Radio waves and visible light


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Sammyo

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

b

Answer to Question 2

e


natalie2426

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Reply #2 on: Jul 27, 2018
TY


Sammyo

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Reply #3 on: Jul 27, 2018
You're welcome


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