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Author Question: Numerous meteorites found on Earth originated from which planet? a. Mercury b. Venus c. Mars d. ... (Read 112 times)

silviawilliams41

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on: Jul 27, 2018
Numerous meteorites found on Earth originated from which planet?
 
  a. Mercury
  b. Venus
 c. Mars
 d. Jupiter
 e. Saturn

Question 2

The hydrogen lines of spectral type A main sequence stars are ____.
 
  a. the strongest
 b. the weakest
 c. the most narrow
 d. useful in determining apparent magnitude
  e. used to estimate the luminosity of the star


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DylanD1323

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

c

Answer to Question 2

a


silviawilliams41

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Reply 2 on: Jul 27, 2018
:D TYSM

abro1885

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Reply 3 on: Yesterday
Excellent

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