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Author Question: This cloud sometimes resembles mare's tails. A) cirrus B) altostratus C) nimbostratus D) ... (Read 39 times)

itsmyluck

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on: Jul 14, 2018
This cloud sometimes resembles mare's tails.
 
  A) cirrus
  B) altostratus
  C) nimbostratus
  D) cumulonimbus
  E) cirrostratus

Question 2

For what time span does radiocarbon apply?
 
  What will be an ideal response?


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jsm54321

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Reply #1 on: Jul 14, 2018
Answer to Question 1

A

Answer to Question 2

The half-life of carbon-14 is only 5730 years, so it can be used to date events as far back as 70,000 years.


itsmyluck

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Reply 2 on: Jul 14, 2018
Gracias!

pangili4

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Reply 3 on: Yesterday
Excellent

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