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Author Question: Which of these technological advances would make it harder for extraterrestrial life to find us? ... (Read 79 times)

mrsjacobs44

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on: Jul 27, 2018
Which of these technological advances would make it harder for extraterrestrial life to find us?
 
  A) FM radio
  B) color television
  C) the Global Positioning Satellite Network
  D) cable TV
  E) geosynchronous satellites

Question 2

Which of the following statements about stages of nuclear burning (i.e., first-stage hydrogen burning, second-stage helium burning, etc.) in a massive star is not true?
 
  A) Each successive stage of fusion requires higher temperatures than the previous stages.
  B) As each stage ends, the core shrinks further.
  C) Each successive stage creates an element with a higher atomic weight.
  D) Each successive stage lasts for approximately the same amount of time.


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jaaaaaaa

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

D

Answer to Question 2

D


mrsjacobs44

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Reply 2 on: Jul 27, 2018
Gracias!

patma1981

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Reply 3 on: Yesterday
Excellent

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