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Author Question: Retrograde motion a. is observable for planets located between Earth and the sun. b. is ... (Read 139 times)

go.lag

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on: Jul 27, 2018
Retrograde motion
 
  a. is observable for planets located between Earth and the sun.
  b. is observable for planets more distant from the Sun than is Earth.
  c. is only observable for the moon.
  d. is observable for all planets.
  e. none of the above

Question 2

____ is the thermonuclear fusion of hydrogen to form helium operating in the cores of massive stars on the main sequence.
 
  a. The CNO cycle
  b. The proton-proton chain
  c. Hydrostatic equilibrium
  d. The neutrino process
  e. none of the above


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jrpg123456

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

B

Answer to Question 2

A


go.lag

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Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

isabelt_18

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Reply 3 on: Yesterday
:D TYSM

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