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Author Question: Carbon has several isotypes including 12C and 14C. These isotopes differ in the number of: a. ... (Read 136 times)

Jramos095

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on: Jul 27, 2018
Carbon has several isotypes including 12C and 14C. These isotopes differ in the number of:
 
  a. electrons only
  b. neutrons only
  c. protons only
  d. electrons and protons
  e. protons and neutrons

Question 2

What does the presence of vesicular basalts and breccias among the lunar rock samples tell us about the history of the Moon?
 
  What will be an ideal response?


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chreslie

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

b

Answer to Question 2

Vesicular basalts are made when lava flows out onto the surface. The presence of vesicular basalts shows that much of the surface of Earth's Moon has been covered by successive lava flows, and the dark flat plains of the lunar lowlands, the maria, are actually solidified ancient lava. Breccias are made up of fragments of broken rock cemented together under pressure. The breccias show how extensively the lunar surface has been pounded by meteorites.


Jramos095

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Reply 2 on: Jul 27, 2018
Gracias!

zacnyjessica

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

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