Sound waves in the interstellar medium A) travel so slowly ...

[Beheh]

Sound waves in the interstellar medium
 
  A) travel so slowly that they are undetectable.
  B) travel extremely quickly and are therefore very loud.
  C) can travel through the halo interstellar medium but not the disk of the galaxy.
  D) can travel through the gas, but the very low density of the interstellar medium makes them inaudible.
  E) cannot travel through the gas.

Question 2

The Sun's average density is about the same at Jupiter's, suggesting a similar composition.
 
  Indicate whether the statement is true or false

[shewald78]

Answer to Question 1

D

Answer to Question 2

TRUE

[Beheh]

Thanks

[shewald78]

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