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Author Question: Which of the following is an example of a scientific model? a. celestial sphere b. connected ... (Read 61 times)

washai

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Which of the following is an example of a scientific model?
 
  a. celestial sphere b. connected balls and rods representing chemical bonds of a DNA molecule
  c. topographical map d. All of the other choices are correct.

Question 2

The light from Polaris is 24.2 times less intense than the light received from Sirius. Which star is the truly brighter star, that is, emitting more visual light at its surface?
 
  a. Polaris b. Sirius
  c. Neither, they emit the same amount at their surfaces. d. This cannot be determined based upon the information given.



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kalskdjl1212

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Answer to Question 1

d

Answer to Question 2

d




washai

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Reply 2 on: Jul 27, 2018
Gracias!


xiaomengxian

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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