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Home Q & A Board Humanities History Anthropology
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uYuSs uYuSs
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6 years ago
Some 35,000 years ago, our ancestors learned that heating clay to high temperatures allowed it to harden substantially. Many years later, using this earlier knowledge, our ancestors invented pottery. Pottery is classified as a:
 
  a. primary invention
 b. secondary innovation
  c. primary application
 d. tertiary modification
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Kingpin112 AuthorKingpin112
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#1
6 years ago
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jbarnett14
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6 years ago
You make an excellent tutor!
annielin111
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Yesterday
Good timing, thanks!
aricketts6@
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2 hours ago
Thanks for your help!!
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