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Author Question: Internal heat forces Earth's liquid core to circulate with _______________. Fill in the blank(s) ... (Read 106 times)

Evvie72

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on: Jul 27, 2018
Internal heat forces Earth's liquid core to circulate with _______________.
 
  Fill in the blank(s) with correct word

Question 2

Cepheid and RR Lyrae variable stars change their brightness by ____.
 
  a. atmospheric explosions of hydrogen gas
 b. internal changes in their fusion processes
  c. a combination of atmospheric explosions and internal changes
  d. a combination of atmospheric explosions and physically pulsating
  e. changing its period between pulses


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Eunice618

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

convection

Answer to Question 2

e


Evvie72

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

deja

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Reply 3 on: Yesterday
Wow, this really help

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