[Answered] Observations of galaxies and clusters of galaxies indicate that about __________

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Author Question: Observations of galaxies and clusters of galaxies indicate that about ___________ percent of the ... (Read 114 times)

haleyc112

Hero Member
Posts: 600

on: Jul 27, 2018

Observations of galaxies and clusters of galaxies indicate that about ___________ percent of the matter in the universe is dark matter.

a. 5
b. 25
c. 35
d. 45
e. 90

Question 2

The CNO cycle requires higher temperatures than those needed in the proton-proton fusion chain.

a. True
b. False
Indicate whether the statement is true or false

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helenmarkerine

Sr. Member
Posts: 324

Reply #1 on: Jul 27, 2018

Answer to Question 1

e

Answer to Question 2

True

haleyc112

Hero Member
Posts: 600

Reply #2 on: Jul 27, 2018

Thank you!

helenmarkerine

Sr. Member
Posts: 324

Reply #3 on: Jul 27, 2018

Always glad to help...

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Author Question: Observations of galaxies and clusters of galaxies indicate that about ___________ percent of the ... (Read 114 times)

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