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Author Question: Galaxies contain 10 times as much dark matter as visible matter. a. True b. False Indicate ... (Read 36 times)

iveyjurea

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Galaxies contain 10 times as much dark matter as visible matter.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

Short-focal-length lenses and mirrors must be strongly curved.
 
  a. True
  b. False
  Indicate whether the statement is true or false



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emilymalinowski12

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Answer to Question 1

True

Answer to Question 2

True




iveyjurea

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Reply 2 on: Jul 27, 2018
Excellent


31809pancho

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Reply 3 on: Yesterday
:D TYSM

 

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When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

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