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ilan707 ilan707
wrote...
Posts: 494
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6 years ago
Which of the following plants were dominant
  in the Carboniferous period?
 
  a. club mosses
  b. peat mosses
  c. ferns
  d. liverworts
  e. more than one of these

Question 2

What mineral is found in horsetails that help
  protect it from insects?
 
  a. siderite
  b. aluminum
  c. silica
  d. feldspar
  e. amethyst
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bribri
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Posts: 313
Rep: 2 0
6 years ago
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ilan707 Author
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6 years ago
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