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Author Question: Which is a unique characteristic of Venus not shared by the other Terrestrial planets? a. The ... (Read 143 times)

Haya94

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on: Jul 27, 2018
Which is a unique characteristic of Venus not shared by the other Terrestrial planets?
 
  a. The planet has an atmosphere.
 b. The planet has volcanoes on its surface.
 c. The planet experiences retrograde rotation.
  d. The planet has a strong magnetic field.
 e. The planet once had water on its surface.

Question 2

How have supernovae affected the development of life on Earth?
 
  What will be an ideal response?


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Kjones0604

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

c

Answer to Question 2

Supernova shock waves are capable of triggering star formation, and the formation of the Sun may have been triggered by a supernova. Supernovae are responsible for producing elements heavier than carbon, so most of the material that the Earth is made of comes from supernova events. Most chemical elements required for life also are created in supernovae. Nearby supernovae can have a negative effect on life on Earth. The eruption of a nearby supernova may have been responsible for an extinction event two million years ago.


Haya94

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

Liddy

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Reply 3 on: Yesterday
Excellent

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