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Author Question: The critical density of the universe is the ________. A) density of water B) average density the ... (Read 92 times)

RYAN BANYAN

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on: Jul 27, 2018
The critical density of the universe is the ________.
 
  A) density of water
  B) average density the universe would need for gravity to someday halt the current expansion if dark energy did not exist
  C) actual average density of the universe
  D) density of dark matter in the universe

Question 2

The atmosphere of Titan is chiefly
 
  A) ammonia. B) nitrogen. C) oxygen. D) methane. E) hydrogen.


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jonathanballen97

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

B

Answer to Question 2

B


RYAN BANYAN

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Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

bbburns21

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Reply 3 on: Yesterday
Wow, this really help

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