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Author Question: Which of the following types of galaxies appear reddest in color? A) spirals B) irregulars C) ... (Read 69 times)

mp14

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on: Jul 27, 2018
Which of the following types of galaxies appear reddest in color?
 
  A) spirals B) irregulars C) lenticulars D) ellipticals

Question 2

How do scientists determine the age of the solar system?
 
  A) radiometric dating of the oldest Earth rocks
  B) radiometric dating of meteorites
  C) radiometric dating of Moon rocks
  D) Theoretical calculations tell us how long it has taken the planets to evolve to their present forms.


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pocatato

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

D

Answer to Question 2

B


mp14

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Reply 2 on: Jul 27, 2018
Wow, this really help

xiaomengxian

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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