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Author Question: How does metal content vary between Population I and II? Why? What will be an ideal ... (Read 9 times)

tiffannnnyyyyyy

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on: Jul 27, 2018
How does metal content vary between Population I and II? Why?
 
  What will be an ideal response?

Question 2

The largest difference between Mars' northern and southern hemispheres is that:
 
  A) the southern appears older, with more impact craters.
  B) the northern has all the outflows and must have been much hotter.
  C) the northern is higher overall, despite some high volcanoes in the south.
  D) the southern has a polar cap, but none ever forms in the north.
  E) the southern is much darker, with large mare-like basaltic lava flows.


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fffftttt

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

Older Population II stars are made of almost nothing but the hydrogen and helium made in the Big Bang, but younger Population I stars are much richer (1-4) in the heavier metals produced by later generations of supernovae.

Answer to Question 2

A


tiffannnnyyyyyy

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


fffftttt

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


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