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Author Question: Why wouldn't you use carbon-14 dating on a piece of shell that was estimated to be 1 million years ... (Read 106 times)

fagboi

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on: Jul 29, 2018
Why wouldn't you use carbon-14 dating on a piece of shell that was estimated to be 1 million years old?
 
  A) Sea shells do not have radioisotopes.
  B) Carbon dating is only useful on plants.
  C) Uranium dating is better for items older than 1/2 million years.
  D) Carbon dating can only be used on items that were once alive.
  E) The amount of radioactive carbon in the sample would probably too small to measure.

Question 2

When a beam of light, originally traveling in air, enters a piece of glass having an index of refraction of 3/2, its speed
 
  A) increases by a factor of 3/2.
  B) is reduced to 2/3 its original value.
  C) is unaffected.
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thall411

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Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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fagboi

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


thall411

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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