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Author Question: Red giants A) are mature stars that are fusing hydrogen into helium in their cores B) are dead ... (Read 38 times)

Caiter2013

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on: Jul 27, 2018
Red giants
 
  A) are mature stars that are fusing hydrogen into helium in their cores
  B) are dead stars
  C) have exhausted their nuclear fuel and are in the process of dying
  D) are in the process of forming

Question 2

My hair dryer is rated at 1500. watts and my television only uses 100. watts, so why do I pay more for electricity for my TV than for my hair dryer in a year?
 
  What will be an ideal response?


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tkempin

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

C

Answer to Question 2

One pays for energy, not power. I use my TV so much longer that its energy usage (power X time) is more than the hair dryer.


Caiter2013

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

shewald78

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Reply 3 on: Yesterday
Excellent

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