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Biology-Related Homework Help General Biology Topic started by: Pandabearsrlyfe on Mar 31, 2018



Title: How are fossils older than 60,000 years dated?
Post by: Pandabearsrlyfe on Mar 31, 2018
How are fossils older than 60,000 years dated?
 
  a. directly dating the fossil with carbon 14
  b. directly dating the fossil with uranium 238
  c. dating rock formations below the fossil
  d. dating rock formations above the fossil
  e. dating rock formations above and below the
  fossil

Question 2

Zircon crystals that form in molten magma are
  easily dated because they contain
 
  a. no lead.
  b. no uranium.
  c. uranium but no lead.
  d. lead but no uranium.
  e. both lead and uranium.


Title: How are fossils older than 60,000 years dated?
Post by: tyeoi on Mar 31, 2018
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Title: How are fossils older than 60,000 years dated?
Post by: Pandabearsrlyfe on Mar 31, 2018
All correct


Title: How are fossils older than 60,000 years dated?
Post by: tyeoi on Mar 31, 2018
Happy to help