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doit_the_clown doit_the_clown
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7 years ago
What is the origin of the majority of lunar craters?
A)   Impacts by meteoric material
B)   Surface collapse after loss of groundwater by evaporation
C)   Volcanic explosions
D)   Impacts by space probes from Earth
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
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papachulopapachulo
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7 years ago
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7 years ago
This helped my grade so much Perfect
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Smart ... Thanks!
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You make an excellent tutor!
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