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Author Question: Detailed measurements of the disk and central bulge region of our Galaxy suggest our Milky Way is a ... (Read 35 times)

jrubin

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on: Jul 27, 2018
Detailed measurements of the disk and central bulge region of our Galaxy suggest our Milky Way is a
 
  A) dwarf galaxy.
  B) spiral galaxy.
  C) very flat elliptical galaxy.
  D) very dusty irregular galaxy.
  E) quasar.

Question 2

Which of the following statements about ozone (in Earth's stratosphere) is not true?
 
  A) The presence of ozone was crucial to the origin of life.
  B) If the ozone layer is depleted, we can expect the rate of mutations in land-based life-forms to increase significantly.
  C) Ozone absorbs ultraviolet light from the Sun.
  D) The ozone hole occurring each spring over Antarctica appears to be caused by human-made CFCs.


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joechoochoy

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

B

Answer to Question 2

A


jrubin

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Reply 2 on: Jul 27, 2018
Gracias!

jordangronback

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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