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Author Question: The Sun is gradually increasing in luminosity as it ages. It is 20 more luminous than it was when it ... (Read 19 times)

lilldybug07

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on: Jul 27, 2018
The Sun is gradually increasing in luminosity as it ages. It is 20 more luminous than it was when it was born. Why isn't this considered to be an explanation for global warming?
 
  A) The scientists are covering up this potentially valid explanation.
  B) The amount of energy the Earth receives from the Sun remains constant regardless of what the Sun does.
  C) The Sun is increasing in luminosity much too slowly, over many millions of years.
  D) What the Sun was doing millions of years ago is what determines Earth's temperature, since the Earth doesn't respond directly to what the Sun is doing today.

Question 2

The processes which produced Ganymede's groove terrain are on-going, according to the latest Galileo images.
 
  Indicate whether the statement is true or false


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macmac

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

C

Answer to Question 2

FALSE


lilldybug07

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Reply #2 on: Jul 27, 2018
Thank you!


macmac

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Reply #3 on: Jul 27, 2018
Always glad to help...


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