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Author Question: The masses of Neptune and Uranus were first determined by: A) observations of their motions ... (Read 42 times)

FButt

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on: Jul 27, 2018
The masses of Neptune and Uranus were first determined by:
 
  A) observations of their motions around the Sun.
  B) observations of their magnetic fields.
  C) their densities divided by their volumes.
  D) observations of the motions of their satellites.
  E) their compositions.

Question 2

An X-ray photon has more energy than a visible photon.
 
  Indicate whether the statement is true or false


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Smiles0805

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

D

Answer to Question 2

TRUE


FButt

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Reply #2 on: Jul 27, 2018
TY


Smiles0805

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Reply #3 on: Jul 27, 2018
You're welcome


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