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Author Question: What is the process in which a nucleus of an atom breaks up, emitting subatomic particles and/or ... (Read 83 times)

mwit1967

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on: Jul 27, 2018
What is the process in which a nucleus of an atom breaks up, emitting subatomic particles and/or energy?
 
  a. radioactive decay
  b. radioactive isotyping
  c. unstable atomic nucleus
  d. electron release
  e. free radical release

Question 2

One hypothesis suggested to explain the uniform age of the surface of Venus is that
 
  a. Venus's surface is 4 billion years old and has not been affected by flooding or slow evolution.
  b. Venus's surface is made of rocks that are much harder than Earth's and thus last longer.
  c. Venus periodically goes through a catastrophic melting of its entire surface.
  d. Venus's clouds protect it from meteorites so that very few impacts occur to change its surface.
  e. dust storms deposit large amount of dust on the surface, making it appear of uniform age.


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yasmina

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

a

Answer to Question 2

c


mwit1967

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

Joy Chen

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Reply 3 on: Yesterday
:D TYSM

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